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Patent #:
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Issue Dt:
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04/14/1987
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Application #:
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06721815
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Filing Dt:
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04/10/1985
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Title:
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RADIO TRUNKING SYSTEM WITH TRANSCEIVERS AND REPEATERS USING SPECIAL CHANNEL ACQUISITION PROTOCOL
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Patent #:
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Issue Dt:
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03/10/1987
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Application #:
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06725682
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Filing Dt:
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04/22/1985
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Title:
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DISPATCH OVERDIALING FOR INTER-GROUP AND OTHER ADDED CALLING/CALLED ACCESS TO COMMUNICATIONS CHANNELS IN A TRUNKED RADIO COMMUNICATIONS SYSTEM
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Patent #:
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Issue Dt:
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11/24/1987
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Application #:
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06790902
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Filing Dt:
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10/24/1985
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Title:
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PORTABLE TWO-WAY RADIO
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Patent #:
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Issue Dt:
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11/24/1987
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Application #:
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06790903
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Filing Dt:
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10/24/1985
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Title:
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PORTABLE RADIO BATTERY PACK WITH ON-OFF SWITCH
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Patent #:
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Issue Dt:
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01/05/1988
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Application #:
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06791022
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Filing Dt:
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10/24/1985
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Title:
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PORTABLE TWO WAY RADIO WITH SPLIT UNIVERSAL DEVICE CONNECTOR APPARATUS
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Patent #:
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Issue Dt:
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11/03/1987
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Application #:
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06791025
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Filing Dt:
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10/24/1985
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Title:
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PORTABLE TWO-WAY RADIO
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Patent #:
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Issue Dt:
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07/21/1987
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Application #:
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06797503
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Filing Dt:
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11/13/1985
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Title:
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MOBILE RADIO COMMUNICATIONS SYSTEM WITH JOIN FEATURE
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Patent #:
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Issue Dt:
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05/23/1989
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Application #:
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06851412
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Filing Dt:
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04/11/1986
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Title:
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BATTERY FOR A PORTABLE RADIO
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Patent #:
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Issue Dt:
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03/07/1989
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Application #:
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06851425
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Filing Dt:
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04/11/1986
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Title:
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BATTERY FOR A PORTABLE RADIO
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Patent #:
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Issue Dt:
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04/11/1989
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Application #:
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06858499
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Filing Dt:
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05/01/1986
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Title:
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FRONT PANEL FOR A TWO-WAY MOBILE RADIO
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Patent #:
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Issue Dt:
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04/11/1989
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Application #:
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06869962
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Filing Dt:
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06/02/1986
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Title:
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TWO-WAY MOBILE RADIO
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Patent #:
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Issue Dt:
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08/22/1989
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Application #:
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06900023
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Filing Dt:
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08/25/1986
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Title:
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PORTABLE TWO-WAY RADIO
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Patent #:
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Issue Dt:
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05/02/1989
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Application #:
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06900036
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Filing Dt:
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08/25/1986
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Title:
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FRONT COVER FOR A MICROPHONE
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Patent #:
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Issue Dt:
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10/24/1989
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Application #:
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06922445
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Filing Dt:
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10/20/1986
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Title:
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FRONT AND SIDE PANELS FOR A TWO-WAY MOBILE RADIO
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Patent #:
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Issue Dt:
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10/03/1989
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Application #:
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06922990
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Filing Dt:
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10/20/1986
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Title:
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FRONT PANEL FOR A TWO-WAY MOBILE RADIO
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Patent #:
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Issue Dt:
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05/01/1990
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Application #:
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07010110
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Filing Dt:
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02/03/1987
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Title:
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TWO-WAY MOBILE RADIO
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Patent #:
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Issue Dt:
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03/27/1990
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Application #:
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07038271
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Filing Dt:
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04/13/1987
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Title:
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CONTROL UNIT FOR A COMMUNICATIONS SYSTEM
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Patent #:
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Issue Dt:
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02/27/1990
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Application #:
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07056922
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Filing Dt:
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06/03/1987
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Title:
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TRUNKED RADIO REPEATER SYSTEM
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Patent #:
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Issue Dt:
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05/15/1990
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Application #:
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07085491
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Filing Dt:
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08/14/1987
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Title:
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METHOD AND APPARATUS FOR INFREQUENT RADIO USERS TO SIMPLY OBTAIN EMERGENCY ASSISTANCE
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Patent #:
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Issue Dt:
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05/30/1989
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Application #:
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07085572
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Filing Dt:
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08/14/1987
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Title:
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PROCESSOR-TO-PROCESSOR COMMUNICATIONS PROTOCOL FOR A PUBLIC SERVICE TRUNKING SYSTEM
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Patent #:
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Issue Dt:
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02/20/1990
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Application #:
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07085663
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Filing Dt:
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08/14/1987
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Title:
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RADIO TRUNKING FAULT DETECTION SYSTEM
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Patent #:
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Issue Dt:
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07/03/1990
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Application #:
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07181441
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Filing Dt:
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04/14/1988
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Title:
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TRUNKED RADIO REPEATER SYSTEM
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Patent #:
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Issue Dt:
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01/22/1991
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Application #:
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07183162
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Filing Dt:
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04/19/1988
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Title:
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TWO-WAY RADIO
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Patent #:
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Issue Dt:
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11/13/1990
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Application #:
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07183163
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Filing Dt:
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04/19/1988
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Title:
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TWO-WAY RADIO
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Patent #:
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Issue Dt:
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01/22/1991
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Application #:
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07183168
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Filing Dt:
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04/19/1988
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Title:
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CONTROL HEAD FOR A RADIO
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Patent #:
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Issue Dt:
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01/22/1991
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Application #:
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07183169
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Filing Dt:
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04/19/1988
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Title:
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CONTROL HEAD FOR A RADIO
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Patent #:
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Issue Dt:
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07/10/1990
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Application #:
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07183212
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Filing Dt:
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04/19/1988
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Title:
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DIGITAL RADIO WITH SECURITY SYSTEM FOR SELECTIVELY ENABLING SOFTWARE CONTROLLED OPTIONS
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Patent #:
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Issue Dt:
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09/25/1990
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Application #:
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07202653
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Filing Dt:
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05/24/1988
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Title:
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BATTERY FOR A PORTABLE RADIO
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Patent #:
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Issue Dt:
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01/08/1991
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Application #:
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07219125
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Filing Dt:
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07/15/1988
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Title:
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RADIO COMMUNICATIONS DEVICE INCORPORATING CHANNEL GUARD DECODE AND PRIORITY CHANNEL SCANNING
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Patent #:
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Issue Dt:
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02/12/1991
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Application #:
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07226573
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Filing Dt:
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08/01/1988
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Title:
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TWO-WAY MOBILE RADIO
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Patent #:
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Issue Dt:
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02/12/1991
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Application #:
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07226576
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Filing Dt:
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08/01/1988
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Title:
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TWO-WAY MOBILE RADIO
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Patent #:
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Issue Dt:
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05/26/1992
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Application #:
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07229814
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Filing Dt:
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08/08/1988
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Title:
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DYNAMIC REGROUPING IN A TRUNKED RADIO COMMUNICATIONS SYSTEM
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Patent #:
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Issue Dt:
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02/19/1991
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Application #:
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07234833
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Filing Dt:
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08/22/1988
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Title:
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CONTROL HEAD FOR A TWO-WAY MOBILE RADIO
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Patent #:
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Issue Dt:
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02/05/1991
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Application #:
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07234834
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Filing Dt:
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08/22/1988
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Title:
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CONTROL HEAD FOR A TWO-WAY MOBILE RADIO
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Patent #:
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Issue Dt:
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12/31/1991
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Application #:
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07239581
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Filing Dt:
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09/01/1988
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Title:
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RF CHANNEL EXPANSION IN A TRUNKED RADIO COMMUNICATIONS SYSTEM
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Patent #:
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Issue Dt:
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12/15/1992
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Application #:
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07260184
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Filing Dt:
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10/20/1988
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Title:
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PUBLIC SERVICE TRUNKING SIMULCAST SYSTEM
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Patent #:
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Issue Dt:
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02/04/1992
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Application #:
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07337202
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Filing Dt:
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04/12/1989
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Title:
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DIGITAL RADIO TRANSCEIVER PROGRAMMER WITH ADVANCED USER INTERFACE
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Patent #:
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Issue Dt:
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10/16/1990
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Application #:
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07348651
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Filing Dt:
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05/08/1989
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Title:
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FRONT PANEL FOR A TWO-WAY MOBILE RADIO
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Patent #:
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Issue Dt:
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02/04/1992
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Application #:
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07356353
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Filing Dt:
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05/25/1989
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Title:
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DROP CHANNEL PRE-ALERT FOR TRUNKED RADIO COMMUNICATION SYSTEM
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Patent #:
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Issue Dt:
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10/16/1990
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Application #:
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07363461
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Filing Dt:
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06/07/1989
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Title:
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FRONT AND SIDE PANELS FOR A TWO-WAY MOBILE RADIO
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Patent #:
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Issue Dt:
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07/14/1992
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Application #:
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07363980
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Filing Dt:
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06/09/1989
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Title:
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DIGITAL VOTER FOR MULTIPLE SITE PST RF TRUNKING SYSTEM
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Patent #:
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Issue Dt:
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05/28/1991
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Application #:
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07365810
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Filing Dt:
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03/06/1989
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Title:
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PROCESSOR-TO-PROCESSOR COMMUNCATIONS PROTOCOL FOR A PUBLIC SERVICE TRUNKING SYSTEM
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Patent #:
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Issue Dt:
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05/05/1992
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Application #:
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07384662
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Filing Dt:
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07/21/1989
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Title:
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PORTABLE RADIO
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Patent #:
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Issue Dt:
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10/22/1991
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Application #:
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07388908
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Filing Dt:
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08/03/1989
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Title:
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BATTERY FOR A PORTABLE RADIO
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Patent #:
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Issue Dt:
|
05/05/1992
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Application #:
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07390252
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Filing Dt:
|
08/07/1989
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Title:
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PORTABLE RADIO
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Patent #:
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Issue Dt:
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06/11/1991
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Application #:
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07390257
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Filing Dt:
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08/07/1989
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Title:
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METHOD AND APPARATUS FOR EXTERNALLY DEFINING THE OPERATIONAL MODE OF A DIGITAL RADIO TRANSCEIVER
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Patent #:
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Issue Dt:
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11/20/1990
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Application #:
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07390285
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Filing Dt:
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08/07/1989
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Title:
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SWITCH FOR TWO-WAY HAND-HELD TRANSCEIVER
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Patent #:
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Issue Dt:
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10/01/1991
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Application #:
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07390332
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Filing Dt:
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08/07/1989
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Title:
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BATTERY FOR A PORTABLE RADIO
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Patent #:
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Issue Dt:
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07/14/1992
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Application #:
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07420244
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Filing Dt:
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10/12/1989
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Title:
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VOICE GUARD DIGITAL VOTER FOR MULTIPLE SITE PST RF TRUNKING SYSTEM
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Patent #:
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Issue Dt:
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02/04/1992
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Application #:
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07442319
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Filing Dt:
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11/28/1989
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Title:
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RADIO TRUNKING FAULT DETECTION SYSTEM WITH POWER OUTPUT MONITORING AND ON-AIR MONITORING
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Patent #:
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Issue Dt:
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06/23/1992
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Application #:
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07464053
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Filing Dt:
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01/03/1990
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Title:
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TRUNKED RADIO REPEATER SYSTEM INCLUDING SYNCHRONIZATION OF A CONTROL CHANNEL AND WORKING CHANNELS
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Patent #:
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|
Issue Dt:
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05/12/1992
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Application #:
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07501940
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Filing Dt:
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03/30/1990
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Title:
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VOTER ARRANGEMENT FOR MULTIPLE SITE PST RF TRUNKING SYSTEM
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Patent #:
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Issue Dt:
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12/29/1992
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Application #:
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07532164
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Filing Dt:
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06/05/1990
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Title:
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FAIL-SOFT ARCHITECTURE FOR PUBLIC TRUNKING SYSTEM
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Patent #:
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Issue Dt:
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06/30/1992
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Application #:
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07649049
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Filing Dt:
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02/01/1991
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Title:
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SIMULCAST AUTO ALIGNMENT SYSTEM
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Patent #:
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Issue Dt:
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04/06/1993
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Application #:
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07658637
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Filing Dt:
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02/22/1991
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Title:
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COMMUNICATION LINK BETWEEN MULTISITE RF TRUNKED NETWORK AND AN INTELLIGENT DISPATCHER CONSOLE
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Patent #:
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Issue Dt:
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08/24/1993
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Application #:
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07658798
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Filing Dt:
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02/22/1991
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Title:
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CONTROLLER ARCHITECTURE FOR RF TRUNKING DISTRIBUTED MULTISITE SWITCH
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Patent #:
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Issue Dt:
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02/21/1995
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Application #:
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07658844
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Filing Dt:
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02/22/1991
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Title:
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DISTRIBUTED MULTISITE SYSTEM ARCHITECTURE
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Patent #:
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Issue Dt:
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07/07/1992
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Application #:
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07666841
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Filing Dt:
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03/08/1991
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Title:
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PROCESSOR-TO-PROCESSOR COMMUNICATIONS PROTOCOL FOR A PUBLIC SERVICE TRUNKING SYSTEM
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Patent #:
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Issue Dt:
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04/27/1993
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Application #:
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07666862
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Filing Dt:
|
03/08/1991
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Title:
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PROCESSOR-TO-PROCESSOR COMMUNICATIONS PROTOCOL FOR A PUBLIC SERVICE TRUNKING SYSTEM
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Patent #:
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Issue Dt:
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08/31/1993
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Application #:
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07709987
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Filing Dt:
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06/04/1991
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Title:
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CONVENTIONAL BASE STATION INTERFACE ARCHITECTURE FOR RF TRUNKING MULTISITE SWITCH
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Patent #:
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|
Issue Dt:
|
01/02/1996
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Application #:
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07749534
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Filing Dt:
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08/26/1991
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Title:
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CONVENTIONAL NETWORK INTERFACE FOR MULTISITE RF TRUNKING SYSTEM
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Patent #:
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Issue Dt:
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10/27/1992
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Application #:
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07759693
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Filing Dt:
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09/09/1991
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Title:
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SELECTIVE STOP DEVICE FOR A MULTI CHANNEL FREQUENCY SWITCH
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Patent #:
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|
Issue Dt:
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05/19/1998
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Application #:
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07835689
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Filing Dt:
|
02/14/1992
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Title:
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DISPLAY CONSOLE AND USER INTERFACE FOR MULTISITE RF TRUNKED SYSTEM
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Patent #:
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Issue Dt:
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01/24/1995
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Application #:
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07835690
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Filing Dt:
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02/14/1992
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Title:
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CO-PROCESSOR CONTROLLED SWITCHING APPARATUS AND METHOD FOR DISPATCHING CONSOLE
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Patent #:
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Issue Dt:
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12/28/1993
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Application #:
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07860159
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Filing Dt:
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03/30/1992
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Title:
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TRUNKED RADIO REPEATER SYSTEM WITH MULTIGROUP CALLING FEATURE
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Patent #:
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|
Issue Dt:
|
12/28/1993
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Application #:
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07913906
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Filing Dt:
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07/16/1992
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Title:
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FAIL-SOFT ARCHITECTURE FOR PUBLIC TRUNKING SYSTEM
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Patent #:
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Issue Dt:
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05/18/1993
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Application #:
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07915769
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Filing Dt:
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07/21/1992
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Title:
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PROCESSOR-TO-PROCESSOR COMMUNICATIONS PROTOCOL FOR A PUBLIC SERVICE TRUNKING SYSTEM
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Patent #:
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Issue Dt:
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05/31/1994
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Application #:
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07917448
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Filing Dt:
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07/23/1992
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Title:
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PORTABLE RADIO
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Patent #:
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Issue Dt:
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05/31/1994
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Application #:
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07917449
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Filing Dt:
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07/23/1992
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Title:
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PORTABLE RADIO WITH ATTACHED BATTERY
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Patent #:
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Issue Dt:
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05/31/1994
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Application #:
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07917450
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Filing Dt:
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07/23/1992
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Title:
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PORTABLE RADIO
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Patent #:
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Issue Dt:
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04/18/1995
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Application #:
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07927860
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Filing Dt:
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08/11/1992
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Title:
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SINGLE CHANNEL AUTONOMOUS DIGITALLY TRUNKED RF COMMUNICATIONS SYSTEM
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Patent #:
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Issue Dt:
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10/22/1996
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Application #:
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07935440
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Filing Dt:
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08/26/1992
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Title:
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SYSTEM AND METHOD FOR RADIO DISCONNECT AND CHANNEL ACCESS FOR DIGITIZED SPEECH TRUNKED RADIO SYSTEMS
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Patent #:
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Issue Dt:
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01/09/1996
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Application #:
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08020075
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Filing Dt:
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02/19/1993
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Title:
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SYSTEM FOR CORRELATING RF USAGE IN A TRUNKED COMMUNICATION NETWORK BASED ON CHANNEL ASSIGNMENTS DROPS FOR EACH CALL
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Patent #:
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Issue Dt:
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08/22/1995
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Application #:
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08036206
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Filing Dt:
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03/23/1993
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Title:
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MODULAR MOBILE RADIO SYSTEM
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Patent #:
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Issue Dt:
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03/07/1995
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Application #:
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08045411
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Filing Dt:
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04/13/1993
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Title:
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RADIAL CUTTING TOOL FOR CUTTING THICK-WALLED TUBULAR MEMBERS
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Patent #:
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Issue Dt:
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02/11/1997
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Application #:
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08059670
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Filing Dt:
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05/12/1993
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Title:
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DYNAMIC ADDRESS ALLOCATION WITHIN RF TRUNKING MULTISITE SWITCH
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Patent #:
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Issue Dt:
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11/15/1994
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Application #:
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08084944
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Filing Dt:
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07/02/1993
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Title:
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MULTISITE TRUNKED RF COMMUNICATION SYSTEM WITH RELIABLE CONTROL MESSAGING NETWORK
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Patent #:
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Issue Dt:
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12/19/1995
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Application #:
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08095858
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Filing Dt:
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07/23/1993
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Title:
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NARROW BAND SIMULCAST SYSTEM HAVING LOW SPEED DATA DISTRIBUTION
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Patent #:
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Issue Dt:
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01/09/1996
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Application #:
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08105153
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Filing Dt:
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08/12/1993
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Title:
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TRUNKED RADIO REPEATER SYSTEM WITH CONTROL CHANNEL MONITORING FEATURE
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Patent #:
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Issue Dt:
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11/29/1994
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Application #:
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08135582
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Filing Dt:
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10/13/1993
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Title:
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DYNAMIC REGROUPING IN A TRUNKED RADIO COMMUNICATIONS SYSTEMS
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Patent #:
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Issue Dt:
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12/16/1997
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Application #:
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08156785
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Filing Dt:
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11/24/1993
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Title:
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EXTENDED TRUNKED RF COMMUNICATIONS SYSTEMS NETWORKING
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Patent #:
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Issue Dt:
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12/12/1995
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Application #:
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08178548
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Filing Dt:
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01/07/1994
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Title:
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METHOD AND APPARATUS FOR PERMITTING RADIO UNIT ROAMING BETWEEN TRUNKED RF TRANSMISSION SITES OVER A WIDE AREA THAT ENCOMPASSES PLURAL MULTISITE NETWORKS
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Patent #:
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Issue Dt:
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10/15/1996
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Application #:
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08183250
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Filing Dt:
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01/19/1994
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Title:
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RF TRUNKING MULTISITE SWITCH CONFIGURATION AND DIAGNOSTICS INTERFACE
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Patent #:
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Issue Dt:
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08/19/1997
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Application #:
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08208665
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Filing Dt:
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03/11/1994
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Title:
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DISTRIBUTED METHOD OF CALL ARBITRATION IN AN RF TRUNKING MULTISITE COORDINATOR ARCHITECTURE
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Patent #:
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Issue Dt:
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01/14/1997
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Application #:
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08253600
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Filing Dt:
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06/03/1994
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Title:
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CONTROL CHANNEL TIMING DETECTION AND SELF CORRECTION FOR DIGITALLY TRUNKED SIMULCAST RADIO COMMUNICATIONS SYSTEM
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Patent #:
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Issue Dt:
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12/16/1997
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Application #:
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08336204
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Filing Dt:
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11/04/1994
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Title:
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AUDIO ROUTING WITHIN TRUNKED RADIO FREQUENCY MULTISITE SWITCH
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Patent #:
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Issue Dt:
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05/12/1998
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Application #:
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08340345
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Filing Dt:
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11/14/1994
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Title:
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SINGLE SITE, SPLIT LOCATION TRUNKED RADIO COMMUNICATIONS SYSTEM
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Patent #:
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Issue Dt:
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11/18/1997
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Application #:
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08340346
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Filing Dt:
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11/14/1994
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Title:
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POWER MONITORING SYSTEM FOR A SINGLE SITE, SPLIT LOCATION TRUNKED RADIO COMMUNICATION SYSTEM
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Patent #:
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Issue Dt:
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11/12/1996
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Application #:
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08425152
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Filing Dt:
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04/19/1995
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Title:
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TRUNKED RADIO REPEATER SYSTEM
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|
|
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Patent #:
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Issue Dt:
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03/31/1998
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Application #:
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08546892
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Filing Dt:
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10/23/1995
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Title:
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METHOD AND APPARATUS FOR TRANSMITTING DATA OVER A RADIO COMMUNICATIONS NETWORK
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|
|
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Patent #:
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Issue Dt:
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01/05/1999
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Application #:
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08694745
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Filing Dt:
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08/09/1996
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Title:
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IN-BAND VEHICULAR REPEATER FOR TRUNKED RADIO SYSTEM
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Patent #:
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Issue Dt:
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01/26/1999
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Application #:
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08697330
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Filing Dt:
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08/22/1996
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Title:
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OPERATING A TRUNKED COMMUNICATION SYSTEM IN TRANSMISSION AND MESSAGE TRUNKED MODES
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Patent #:
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Issue Dt:
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07/22/1997
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Application #:
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08701911
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Filing Dt:
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09/09/1996
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Title:
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CONSOLE DISPATCH IN AN EXTENDED MULTISITE RADIO COMMUNICATIONS NETWORK
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Patent #:
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Issue Dt:
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04/04/2000
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Application #:
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08705553
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Filing Dt:
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08/29/1996
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Title:
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DEPLOYABLE BASE STATION FOR A TRUNKED RADIO COMMUNICATION SYSTEM
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|
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Patent #:
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Issue Dt:
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09/08/1998
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Application #:
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08715397
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Filing Dt:
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09/18/1996
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Title:
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SINGLE SITE, SPLIT LOCATION TRUNKED RADIO COMMUNICATIONS SYSTEM
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|
|
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Patent #:
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Issue Dt:
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12/07/1999
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Application #:
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08835849
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Filing Dt:
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04/30/1997
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Title:
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DISPATCH CONSOLE HAVING COMMUNICATION MODULES WITH CALLER TRACKING FEATURE
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Patent #:
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Issue Dt:
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09/14/1999
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Application #:
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08845946
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Filing Dt:
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04/30/1997
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Title:
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SYSTEM AND METHOD FOR PRIORITY GROUP ACCESS
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|
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Patent #:
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Issue Dt:
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11/13/2001
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Application #:
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09092161
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Filing Dt:
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06/05/1998
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Title:
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METHODS AND SYSTEM FOR TRANSFERRING CALLS WITHIN TRUNKED DIGITAL RADIO COMMUNICATIONS SYSTEMS
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|
|
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Patent #:
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Issue Dt:
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03/14/1995
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Application #:
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29006173
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Filing Dt:
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03/23/1993
|
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Title:
|
MOBILE RADIO WITH HANDLE
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|
|
|
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Patent #:
|
|
Issue Dt:
|
09/05/1995
|
Application #:
|
29006174
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Filing Dt:
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03/23/1993
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Title:
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MOBILE RADIO
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