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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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07139673
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Filing Dt:
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12/30/1987
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Title:
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THIN FILM COBALT-CONTAINING RECORDING MEDIUM
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Patent #:
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Issue Dt:
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01/07/1992
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Application #:
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07226150
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Filing Dt:
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07/29/1988
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Title:
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INFORMATION STORAGE DISC TRANSDUCER POSITION CONTROL SYSTEM USING LAST STEP DAMPING
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Patent #:
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Issue Dt:
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08/13/1991
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Application #:
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07305001
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Filing Dt:
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01/31/1989
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Title:
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TRIBOLOGICAL HEAD-DISK INTERFACE TESTING SYSTEM
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Patent #:
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Issue Dt:
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01/26/1993
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Application #:
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07306534
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Filing Dt:
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02/03/1989
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Title:
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STEPPER MOTOR TORQUE VARIANCE COMPENSATION USING VARIED APPLIED VOLTAGE
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Patent #:
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Issue Dt:
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09/10/1991
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Application #:
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07319251
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Filing Dt:
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03/03/1989
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Title:
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ADAPTIVE PREWRITE COMPENSATION APPARATUS
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Patent #:
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Issue Dt:
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02/11/1992
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Application #:
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07359740
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Filing Dt:
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05/31/1989
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Title:
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METHOD FOR ASSIGNING TRACKS ON A MAGNETIC DATA STORAGE DISK TO DIFFERENT READ/WRITE FREQUENCY ZONES
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Patent #:
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Issue Dt:
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06/02/1992
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Application #:
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07375200
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Filing Dt:
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07/03/1989
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Title:
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PLASMA TREATMENT FOR CERAMIC MATERIALS
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Patent #:
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Issue Dt:
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05/21/1991
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Application #:
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07382098
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Filing Dt:
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07/19/1989
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Title:
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MICRO-CONTAMINATION-FREE COATING FOR DIE-CAST COMPONENT IN MAGNETIC DISK DRIVE
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Patent #:
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Issue Dt:
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11/10/1992
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Application #:
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07383441
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Filing Dt:
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07/24/1989
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Title:
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LOW NOISE MAGNETIC THIN FILM LONGITUDINAL MEDIA
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Patent #:
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Issue Dt:
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06/18/1991
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Application #:
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07387944
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Filing Dt:
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07/31/1989
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Title:
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ARCHITECTURE FOR 2-1/2 INCH DIAMETER SINGLE DISK DRIVE
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Patent #:
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Issue Dt:
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11/23/1993
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Application #:
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07388690
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Filing Dt:
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08/02/1989
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Title:
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MAGNETORESISTIVE HEAD AND HEAD SETTING METHOD
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Patent #:
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Issue Dt:
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07/02/1991
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Application #:
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07392160
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Filing Dt:
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08/08/1989
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Title:
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DISK DRIVE ARCHITECTURE
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Patent #:
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Issue Dt:
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03/10/1992
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Application #:
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07398166
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Filing Dt:
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08/24/1989
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Title:
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TRI-PHASE SERVO PATTERN FOR PROVIDING POSITIONING INFORMATION IN A MAGNETIC DISK DRIVE
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Patent #:
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Issue Dt:
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08/20/1991
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Application #:
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07409255
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Filing Dt:
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09/19/1989
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Title:
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ACTUATOR FOR DISK DRIVE
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Patent #:
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Issue Dt:
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08/04/1992
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Application #:
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07415053
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Filing Dt:
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09/29/1989
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Title:
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SECTORED SERVO POSITION DEMODULATOR SYSTEM
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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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07415500
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Filing Dt:
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09/29/1989
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Title:
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CORRELATION OF SECTORED SERVO POSITION INFORMATION
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Patent #:
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Issue Dt:
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09/17/1991
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Application #:
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07420370
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Filing Dt:
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10/12/1989
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Title:
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DISK DRIVE SERVO SYSTEM USING GAIN LIMITED HIGH-FREQUENCY TRACK-FOLLOWING COMPENSATOR
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Patent #:
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Issue Dt:
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06/29/1993
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Application #:
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07431575
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Filing Dt:
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11/03/1989
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Title:
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MULTIPLE ACTUATOR DISK DRIVE
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Patent #:
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Issue Dt:
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06/18/1991
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Application #:
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07432664
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Filing Dt:
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11/06/1989
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Title:
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DISK DRIVE APPARATUS
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Patent #:
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Issue Dt:
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04/14/1992
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Application #:
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07439559
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Filing Dt:
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11/20/1989
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Title:
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QUALIFICATION FOR PULSE DETECTING IN A MAGNETIC MEDIA DATA STORAGE SYSTEM
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Patent #:
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Issue Dt:
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11/26/1991
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Application #:
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07440662
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Filing Dt:
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11/22/1989
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Title:
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METHOD AND APPARATUS FOR MEASURING BIT SHIFT
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Patent #:
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Issue Dt:
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07/21/1992
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Application #:
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07442194
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Filing Dt:
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11/28/1989
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Title:
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ADAPTIVE VELOCITY PROFILE SELECTION BASED ON TORQUE CONSTANT MEASUREMENT
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Patent #:
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Issue Dt:
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04/30/1991
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Application #:
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07444622
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Filing Dt:
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12/01/1989
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Title:
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REMOVABLE BALL STAKED HEAD GIMBAL ASSEMBLY
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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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07444921
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Filing Dt:
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12/04/1989
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Title:
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STATIC MEDIA/SPINNING HEAD STORAGE DEVICE
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Patent #:
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Issue Dt:
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06/04/1991
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Application #:
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07448689
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Filing Dt:
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12/11/1989
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Title:
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GIMBAL SPRING FOR SUPPORTING A MAGNETIC TRANSDUCER AND MAKING ELECTRICAL CONTACT THEREWITH
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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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07452689
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Filing Dt:
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12/18/1989
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Title:
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CORROSION RESISTANT MAGNETIC RECORDING HEAD
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Patent #:
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Issue Dt:
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03/17/1992
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Application #:
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07453312
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Filing Dt:
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12/20/1989
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Title:
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INFORMATION RECORDING APPARATUS WITH A NON-NEWTONIAN LIQUID BEARING
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Patent #:
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Issue Dt:
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11/12/1991
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Application #:
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07454780
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Filing Dt:
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12/22/1989
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Title:
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LOAD BEAM HAVNG AN ADDITIONAL BEND IN A HEAD-GIMBAL ASSEMBLY
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Patent #:
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Issue Dt:
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06/25/1991
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Application #:
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07456099
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Filing Dt:
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12/22/1989
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Title:
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ROUTING A SLEEVE AND CONDUCTORS IN A HEAD-GIMBAL ASSEMBLY
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Patent #:
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Issue Dt:
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07/30/1991
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Application #:
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07459442
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Filing Dt:
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01/02/1990
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Title:
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DISK DRIVE UNIT
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Patent #:
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Issue Dt:
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03/26/1991
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Application #:
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07464920
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Filing Dt:
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01/16/1990
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Title:
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METHOD OF PACKAGING AND DISPENSING A MECHANICAL PART
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Patent #:
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Issue Dt:
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07/09/1991
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Application #:
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07468472
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Filing Dt:
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01/18/1990
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Title:
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ELECTRICAL CONNECTING APPARATUS
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Patent #:
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Issue Dt:
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09/03/1991
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Application #:
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07474183
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Filing Dt:
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02/02/1990
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Title:
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TUNED RING OSCILLATOR
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Patent #:
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Issue Dt:
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09/24/1991
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Application #:
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07474222
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Filing Dt:
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02/02/1990
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Title:
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ROTARY ACTUATOR
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Patent #:
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Issue Dt:
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11/22/1994
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Application #:
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07474474
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Filing Dt:
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02/02/1990
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Title:
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DISC DRIVE TRANSLATION AND DEFECT MANAGEMENT APPARATUS AND METHOD
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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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07480250
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Filing Dt:
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02/15/1990
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Title:
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TOP POLE PROFILE FOR POLE TIP TRIMMING
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Patent #:
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Issue Dt:
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08/25/1992
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Application #:
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07480558
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Filing Dt:
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02/15/1990
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Title:
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METHOD FOR ALIGNING POLE TIPS IN A THIN FILM HEAD
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Patent #:
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Issue Dt:
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05/21/1991
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Application #:
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07480650
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Filing Dt:
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02/15/1990
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Title:
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UNIVERSAL DISK DRIVE TYPE EMULATION FOR IBM PC-AT COMPUTERS
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Patent #:
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Issue Dt:
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11/24/1992
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Application #:
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07486516
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Filing Dt:
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02/28/1990
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Title:
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MTEHOD FOR MINIMIZING TIME FOR ADJUSTING SERVO OFFSETS IN A HARD DISK DRIVE
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Patent #:
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Issue Dt:
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09/21/1993
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Application #:
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07487026
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Filing Dt:
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02/28/1990
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Title:
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CONFIGURATION OF HIGH CAPACITY DISK DRIVES WITH EMBEDDED IBM PC-AT TYPE COMPUTER
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Patent #:
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Issue Dt:
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01/18/1994
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Application #:
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07487740
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Filing Dt:
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03/02/1990
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Title:
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BUFFER MEMORY CONTROL SYSTEM FOR A MAGNETIC DISC CONTROLLER
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Patent #:
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Issue Dt:
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10/29/1991
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Application #:
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07491586
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Filing Dt:
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03/12/1990
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Title:
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SELECTIVELY TEXTURED MAGNETIC RECORDING MEDIA
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Patent #:
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Issue Dt:
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08/27/1991
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Application #:
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07502568
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Filing Dt:
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03/30/1990
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Title:
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APPARATUS AND METHOD FOR PROGRAMMABLY CONTROLLING THE POLARITY OF AN I/O SIGNAL OF A MAGNETIC DISK DRIVE
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Patent #:
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Issue Dt:
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10/20/1992
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Application #:
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07504344
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Filing Dt:
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04/03/1990
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Title:
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FLUOROCARBON COATED MAGNESIUM ALLOY CARRIAGE AND METHOD OF COATING A MAGNESIUM ALLOY SHAPED PART
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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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07504929
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Filing Dt:
|
04/05/1990
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Title:
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DISC DRIVE SLIDER LIFTER USING SHAPE MEMORY METALS
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Patent #:
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Issue Dt:
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10/29/1991
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Application #:
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07504949
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Filing Dt:
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04/05/1990
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Title:
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SWAGED HEAD ARM MOUNTING ARRANGEMENT FOR DISC DRIVES USING SHAPE MEMORY ALLOY
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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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07505011
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Filing Dt:
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04/05/1990
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Title:
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DISC DRIVE SLIDER LIFTER USING SHAPE MEMORY MATERIALS
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Patent #:
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Issue Dt:
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03/24/1992
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Application #:
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07509469
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Filing Dt:
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04/13/1990
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Title:
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METHOD FOR PREDICTING TWIST OUT TORQUE IN A SWAGE MOUNT
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Patent #:
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Issue Dt:
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09/22/1992
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Application #:
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07516294
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Filing Dt:
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04/30/1990
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Title:
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HARD DISK DRIVE ADAPTATION BASED ON APPROACH TIME MEASUREMENT
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Patent #:
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Issue Dt:
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02/23/1993
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Application #:
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07524190
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Filing Dt:
|
04/30/1990
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Title:
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ADAPTIVE SETTLE TIME MINIMIZATION FOR A HARD DISK DRIVE
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Patent #:
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Issue Dt:
|
07/07/1992
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Application #:
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07528925
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Filing Dt:
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05/25/1990
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Title:
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CONFIGURATION FOR NEGATIVE PRESSURE AIR BEARING SLIDERS
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Patent #:
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|
Issue Dt:
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10/29/1991
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Application #:
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07528936
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Filing Dt:
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05/25/1990
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Title:
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HOUR-GLASS DISK HEAD SLIDER
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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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07531855
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Filing Dt:
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06/01/1990
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Title:
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LOW NOISE SPIN MOTOR FOR USE IN DISK DRIVE
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Patent #:
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Issue Dt:
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09/08/1992
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Application #:
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07540099
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Filing Dt:
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06/19/1990
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Title:
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ADAPTIVE WINDOW CENTERING
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Patent #:
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Issue Dt:
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07/02/1991
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Application #:
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07541583
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Filing Dt:
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06/21/1990
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Title:
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POSITION DETECTION FOR A BRUSHLESS DC MOTOR WITHOUT HALL EFFECT DEVICES USING A TIME DIFFERENTIAL METHOD
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Patent #:
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Issue Dt:
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01/19/1993
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Application #:
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07546182
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Filing Dt:
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06/28/1990
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Title:
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SPINDLE MOTOR FOR REDUCED SIZE DISK DRIVE AND METHOD OF MAKING SAME
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Patent #:
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Issue Dt:
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10/19/1993
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Application #:
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07546236
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Filing Dt:
|
06/29/1990
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Title:
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POSITION DETECTION FOR A BRUSHLESS DC MOTOR WITHOUT HALL EFFECT DEVICES USING A MUTUAL INDUCTANCE DETECTION METHOD
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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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07546374
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Filing Dt:
|
06/29/1990
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Title:
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CLOSED-LOOP CONTROL OF A BRUSHLESS DC MOTOR FROM STANDSTILL TO MEDIUM SPEED
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Patent #:
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Issue Dt:
|
10/15/1991
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Application #:
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07546512
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Filing Dt:
|
06/29/1990
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Title:
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PHASE COMMUTATION CIRCUIT FOR BRUSHLESS DC MOTORS USING A SPIKE INSENSITIVE BACK EMF DETECTION METHOD
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Patent #:
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|
Issue Dt:
|
12/15/1992
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Application #:
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07546513
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Filing Dt:
|
06/29/1990
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Title:
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A SINGLE MOTOR DATA STORAGE DEVICE UTILIZING CENTRIFUGAL FORCE AND COUNTERACTING SPRING
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Patent #:
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Issue Dt:
|
01/07/1992
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Application #:
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07549202
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Filing Dt:
|
07/06/1990
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|
Title:
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GIMBAL FOR SUPPORTING A HYDRODYNAMIC AIR BEARING SLIDER
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Patent #:
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|
Issue Dt:
|
06/15/1993
|
Application #:
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07550734
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Filing Dt:
|
07/09/1990
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|
Title:
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DISK ARRAY WITH ERROR TYPE INDICATION AND SELECTION OF ERROR CORRECTION METHOD
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Patent #:
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|
Issue Dt:
|
09/17/1991
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Application #:
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07557131
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Filing Dt:
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08/27/1990
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Title:
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METHOD FOR GROUNDING POLE STRUCTURES IN THIN FILM MAGNETIC HEADS
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Patent #:
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Issue Dt:
|
07/14/1992
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Application #:
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07558564
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Filing Dt:
|
07/26/1990
|
|
Title:
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DISK DRIVE WHITH ROTATABLE DIAMOND-SHAPED ACTUATOR ARM
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|
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Patent #:
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|
Issue Dt:
|
08/27/1991
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Application #:
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07559690
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Filing Dt:
|
07/30/1990
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|
Title:
|
DISK CENTERING METHOD AND APPARATUS FOR CENTERING DISKS FOR DISK DRIVES
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Patent #:
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Issue Dt:
|
09/22/1992
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Application #:
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07559857
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Filing Dt:
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07/30/1990
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Title:
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ADAPTIVE VARIABLE THRESHOLD QUALIFICATION LEVEL CIRCUIT FOR SIGNAL PROCESSING IN DISK DRIVES
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Patent #:
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Issue Dt:
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02/25/1992
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Application #:
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07560425
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Filing Dt:
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07/31/1990
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Title:
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DISC DRIVE WITH SMALL AIR GAP BETWEEN BACK IRON AND SPINDLE HUB
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Patent #:
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Issue Dt:
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02/18/1992
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Application #:
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07560427
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Filing Dt:
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07/31/1990
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Title:
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DISC DRIVE MOTOR SPINDLE HUB FOR HOLDING A DISC AND SPACER STACK FIRMLY IN PLACE
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Patent #:
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Issue Dt:
|
11/10/1992
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Application #:
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07560438
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Filing Dt:
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07/31/1990
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Title:
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APPARATUS FOR GENERATING AN INDEX PULSE IN A DATA STORAGE SYSTEM
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Patent #:
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Issue Dt:
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03/15/1994
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Application #:
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07560747
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Filing Dt:
|
07/31/1990
|
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Title:
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DISK DRIVE INCLUDING UNITARY DECK FOR ALIGNING AND SUPPORTING AXIALLY RETRACTABLE SPINDLE ASSEMBLY
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Patent #:
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Issue Dt:
|
08/04/1992
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Application #:
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07563867
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Filing Dt:
|
08/07/1990
|
|
Title:
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CAPACITANCE HEIGHT GAUGE
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Patent #:
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Issue Dt:
|
11/12/1991
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Application #:
|
07563990
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Filing Dt:
|
08/07/1990
|
|
Title:
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TWO TERMINAL MAGNETORESISTIVE SENSOR HAVING DC BLOCKING CAPACITOR
|
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Patent #:
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Issue Dt:
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03/24/1992
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Application #:
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07564721
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Filing Dt:
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07/27/1990
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Title:
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IMPROVED CERAMIC HEAD PAD MATERIALS
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Patent #:
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Issue Dt:
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07/28/1992
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Application #:
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07565646
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Filing Dt:
|
08/10/1990
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Title:
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AIR STRIPPER FOR IMPROVED SPINDLE SYNC
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Patent #:
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Issue Dt:
|
01/07/1992
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Application #:
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07567072
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Filing Dt:
|
08/14/1990
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Title:
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PROCESS FOR FORMING HAFNIA AND ZIRCONIA BASED PROTECTIVE FILMS ON LONGITUDINAL MAGNETIC RECORDING MEDIA
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Patent #:
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Issue Dt:
|
09/21/1993
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Application #:
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07568962
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Filing Dt:
|
08/17/1990
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Title:
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ADAPTIVE SEGMENT CONTROL AND METHOD FOR SIMULATING A MULTI-SEGMENT CACHE
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Patent #:
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Issue Dt:
|
03/10/1992
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Application #:
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07569818
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Filing Dt:
|
08/20/1990
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Title:
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UNITARY E-BLOCK ASSEMBLY FOR USE IN A DISK DRIVE
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Patent #:
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Issue Dt:
|
07/27/1993
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Application #:
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07571558
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Filing Dt:
|
08/30/1990
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Title:
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DISK DRIVE APPARATUS WITH CAM AND FOLLOWER FOR UNLOADING HEADS
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Patent #:
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Issue Dt:
|
05/11/1993
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Application #:
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07573878
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Filing Dt:
|
08/27/1990
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Title:
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METHODS OF IMPROVED SERVO HEAD PASSIVE NOISE CANCELLATION BY PLACEMENT AND ORIENTATION OF MULTIPLE SERVO TRANSDUCERS
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Patent #:
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Issue Dt:
|
05/04/1993
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Application #:
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07575589
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Filing Dt:
|
08/31/1990
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Title:
|
SHIELD GEOMETRY FOR STABILIZING MAGNETIC DOMAIN STRUCTURE IN A MAGNETORESISTIVE HEAD
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|
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Patent #:
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Issue Dt:
|
08/04/1992
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Application #:
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07576354
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Filing Dt:
|
08/31/1990
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Title:
|
AIR BEARING SLIDER DESIGN
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|
|
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Patent #:
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|
Issue Dt:
|
10/22/1991
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Application #:
|
07590007
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Filing Dt:
|
09/28/1990
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Title:
|
SELECTIVE CHEMICAL REMOVAL OF COIL SEED-LAYER IN THIN FILM HEAD MAGNETIC TRANSDUCER
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|
|
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Patent #:
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Issue Dt:
|
10/08/1991
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Application #:
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07590233
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Filing Dt:
|
09/28/1990
|
|
Title:
|
SERVO/DATA ACTUATOR ARM FLEXIBLE CIRCUIT
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|
|
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Patent #:
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|
Issue Dt:
|
03/09/1993
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Application #:
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07590608
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Filing Dt:
|
09/25/1990
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|
Title:
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INFORMATION RECORDING APPARATUS WITH A LIQUID BEARING
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|
|
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Patent #:
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Issue Dt:
|
02/09/1993
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Application #:
|
07591037
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Filing Dt:
|
09/28/1990
|
|
Title:
|
THERMAL OFFSET COMPENSATION FOR HIGH DENSITY DISK DRIVES
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|
|
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Patent #:
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|
Issue Dt:
|
08/31/1993
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Application #:
|
07593668
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Filing Dt:
|
10/05/1990
|
|
Title:
|
METHOD AND APPARATUS FOR ALTERNATIVELY READING OR WRITING DATA TO A SERVO SURFACE OF A HARD DISK DRIVE
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|
|
|
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Patent #:
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|
Issue Dt:
|
07/13/1993
|
Application #:
|
07594833
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Filing Dt:
|
10/09/1990
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|
Title:
|
CLOSED LOOP SINGLE STEP RESPONSE BY OPEN WINDING VOLTAGE FEEDBACK SYSTEM AND METHOD FOR MULTIPLE PHASE STEP MOTORS
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|
|
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Patent #:
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|
Issue Dt:
|
08/18/1992
|
Application #:
|
07605122
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Filing Dt:
|
10/29/1990
|
|
Title:
|
STATIC ELIMINATOR FOR DISC DRIVE SPINDLE
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|
|
|
|
Patent #:
|
|
Issue Dt:
|
04/13/1993
|
Application #:
|
07606573
|
Filing Dt:
|
10/31/1990
|
|
Title:
|
METHOD OF WELDING A HEAD SUSPENSION ASSEMBLY
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|
|
|
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Patent #:
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|
Issue Dt:
|
04/21/1992
|
Application #:
|
07607646
|
Filing Dt:
|
10/29/1990
|
|
Title:
|
ADAPTIVE MAGNETIC RECORDING AND READBACK SYSTEM
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|
|
|
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Patent #:
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|
Issue Dt:
|
02/04/1992
|
Application #:
|
07609921
|
Filing Dt:
|
11/06/1990
|
|
Title:
|
METHOD FOR ALIGNING THIN FILM HEAD POLE TIPS
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|
|
|
|
Patent #:
|
|
Issue Dt:
|
11/03/1992
|
Application #:
|
07611300
|
Filing Dt:
|
11/09/1990
|
|
Title:
|
ACTUATOR ARM WITH A STEEL SLEEVE FOR THERMAL OFF TRACK COMPENSATION
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|
|
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Patent #:
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|
Issue Dt:
|
02/16/1993
|
Application #:
|
07611412
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Filing Dt:
|
11/09/1990
|
|
Title:
|
MAGNETIC LATCH AND CRASH STOP
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|
|
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Patent #:
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|
Issue Dt:
|
12/07/1993
|
Application #:
|
07611992
|
Filing Dt:
|
11/09/1990
|
|
Title:
|
APPARATUS FOR ATTACHING A PRINTED CIRCUIT CABLE MOUNT
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|
|
|
|
Patent #:
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|
Issue Dt:
|
01/05/1993
|
Application #:
|
07613263
|
Filing Dt:
|
11/09/1990
|
|
Title:
|
DISC DRIVE ASSEMBLY WITH IMPROVED COMMUNICATIONS AND REDUCED CONTAMINATION RISK
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|
|
|
|
Patent #:
|
|
Issue Dt:
|
03/08/1994
|
Application #:
|
07614853
|
Filing Dt:
|
11/09/1990
|
|
Title:
|
MULTIPLE ACTUATOR DISK DRIVE
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|
|
|
|
Patent #:
|
|
Issue Dt:
|
10/20/1992
|
Application #:
|
07621713
|
Filing Dt:
|
12/05/1990
|
|
Title:
|
COMPOSITE DISK DRIVE HEAD ASSEMBLY HAVING AN IMPROVED CORE-TO-SLIDER BOND
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|
|
|
|
Patent #:
|
|
Issue Dt:
|
03/30/1993
|
Application #:
|
07622558
|
Filing Dt:
|
12/05/1990
|
|
Title:
|
SHIELDED SERVO HEADS WITH IMPROVED PASSIVE NOISE CANCELLATION
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
12/14/1993
|
Application #:
|
07624747
|
Filing Dt:
|
12/10/1990
|
|
Title:
|
APPARATUS AND METHOD FOR REDUCING DISK DISTORTION
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|
|
|
|
Patent #:
|
|
Issue Dt:
|
04/20/1993
|
Application #:
|
07628710
|
Filing Dt:
|
12/17/1990
|
|
Title:
|
DISC WASHING SYSTEM
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|
