Total properties:
25
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Patent #:
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Issue Dt:
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Application #:
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05700600
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Filing Dt:
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Title:
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Patent #:
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Issue Dt:
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07/10/1979
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Application #:
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05889409
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Filing Dt:
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03/23/1978
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Title:
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EXPANSION SHELL ASSEMBLY AND METHOD FOR COMBINING RESIN BONDING AND MECHANICAL ANCHORING OF A BOLT IN A ROCK FORMATION
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Patent #:
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Issue Dt:
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12/13/1983
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Application #:
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06209134
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Filing Dt:
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11/21/1980
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Title:
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METHOD FOR COMBINING RESIN BONDING AND MECHANICAL ANCHORING OF A BOLT IN A ROCK FORMATION
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Patent #:
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Issue Dt:
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11/08/1983
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Application #:
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06238760
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Filing Dt:
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02/27/1981
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Title:
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METHOD AND APPARATUS FOR COMBINING RESIN BONDING AND MECHANICAL ANCHORING OF A BOLT IN A ROCK FORMATION
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Patent #:
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Issue Dt:
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05/21/1985
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Application #:
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06497113
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Filing Dt:
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07/05/1983
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Title:
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METHOD AND APPARATUS FOR COMBINING RESIN BONDING AND MECHANICAL ANCHORING OF A BOLT IN A ROCK FORMATION
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Patent #:
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Issue Dt:
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05/14/1985
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Application #:
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06602204
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Filing Dt:
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04/19/1984
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Title:
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METHOD AND APPARATUS FOR COMBINING RESIN BONDING AND MECHANICAL ANCHORING OF A BOLT IN A ROCK FORMATION
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Patent #:
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Issue Dt:
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07/22/1986
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Application #:
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06711303
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Filing Dt:
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03/13/1985
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Title:
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ROOF SUPPORT SYSTEM FOR A MINE AND THE METHOD AND TOOLING FOR PROVIDING THE SAME
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Patent #:
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Issue Dt:
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07/14/1987
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Application #:
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06908163
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Filing Dt:
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09/17/1986
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Title:
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ROOF BOLT APPARATUS WITH EXPANSION SHELL AND COUPLING
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Patent #:
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Issue Dt:
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07/07/1987
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Application #:
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06908338
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Filing Dt:
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09/17/1986
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Title:
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ROOF BOLT WITH EXPANSION SHELL AND THREADED NUT
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Patent #:
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Issue Dt:
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11/15/1988
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Application #:
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07056581
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Filing Dt:
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05/29/1987
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Title:
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BENDABLE ROOF BOLT WITHOUT NOTCH
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Patent #:
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Issue Dt:
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08/29/1989
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Application #:
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07062729
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Filing Dt:
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06/15/1987
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Title:
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ROOF BOLT SYSTEM
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Patent #:
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Issue Dt:
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09/12/1989
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Application #:
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07229699
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Filing Dt:
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08/08/1988
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Title:
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MINE ROOF ANCHOR HAVING ADJUSTABLE RESIN RETAINING WASHER
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Patent #:
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Issue Dt:
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06/19/1990
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Application #:
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07229705
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Filing Dt:
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08/08/1988
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Title:
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MINE ROOF SUPPORT UTILIZING ROOF ANCHORS HAVING EYE-BOLT HEADS
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Patent #:
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Issue Dt:
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08/29/1989
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Application #:
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07275205
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Filing Dt:
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11/22/1988
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Title:
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EXPANSION ASSEMBLY FOR MINE ROOF BOLTS
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Patent #:
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Issue Dt:
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04/23/1991
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Application #:
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07363274
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Filing Dt:
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05/22/1989
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Title:
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EXPANSION ASSEMBLY FOR MINE ROOF BOLTS
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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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07367553
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Filing Dt:
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06/19/1989
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Title:
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EXPANSION ASSEMBLY FOR MINE ROOF BOLTS UTILIZED IN SMALL DIAMETER BORE HOLES
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Patent #:
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Issue Dt:
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01/21/1992
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Application #:
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07377405
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Filing Dt:
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07/10/1989
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Title:
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OPTICAL READ-WRITE HEAD WITH DIFRACTION GRATING STRUCTURE
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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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07429752
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Filing Dt:
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10/30/1989
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Title:
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EXPANSION ASSEMBLY FOR MINE ROOF BOLTS UTILIZED IN SMALL DIAMETER BORE HOLES
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Patent #:
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Issue Dt:
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02/02/1993
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Application #:
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07497981
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Filing Dt:
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03/23/1990
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Title:
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APPARATUS FORMAUTOMATIC DEPTH CONTROL FOR EARTH MOVING AND GRADING
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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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07519009
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Filing Dt:
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05/04/1990
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Title:
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MINE ROOF ANCHOR ASSEMBLY HAVING AN EXPANSION SHELL ASSEMBLY WITH A FRICTION REDUCING MEANS
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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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07559154
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Filing Dt:
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07/24/1990
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Title:
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DELAY STOPPER FOR A MINE ROOF ANCHOR AND METHOD OF MANUFACTURE THEREOF
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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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07609882
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Filing Dt:
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11/06/1990
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Title:
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EXPANSION ASSEMBLY FOR MINE ROOF BOLTS
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Patent #:
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Issue Dt:
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09/14/1993
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Application #:
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07722125
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Filing Dt:
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06/27/1991
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Title:
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EXPANSION ASSEMBLY
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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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07813943
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Filing Dt:
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12/24/1991
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Title:
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MINE ROOF ANCHOR HAVING ADJUSTABLE RESIN RETAINING WASHER
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Patent #:
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Issue Dt:
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04/12/1994
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Application #:
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07962255
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Filing Dt:
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10/16/1992
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Title:
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METHOD AND APPARATUS FOR SUPPORTING A MINE ROOF
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