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29
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05522823
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05522824
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05522977
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05522978
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05560271
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05603207
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05666733
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05815347
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05822112
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05822113
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Patent #:
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01/27/1981
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Application #:
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05871289
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Filing Dt:
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01/23/1978
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Title:
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CONTROLS FOR HYDRAULIC PERCUSSION DRILL
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Patent #:
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05933324
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09/22/1981
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Application #:
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05938613
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Filing Dt:
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08/31/1978
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Title:
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ROCK DRILL POSITIONING MECHANISM
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Patent #:
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Issue Dt:
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11/27/1984
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Application #:
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06004957
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Filing Dt:
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01/19/1979
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Title:
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POSITIONING CONTROL SYSTEM FOR ROCK DRILL SUPPORT APPARATUS
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Patent #:
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Issue Dt:
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01/06/1981
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Application #:
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06010438
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Filing Dt:
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02/08/1979
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Title:
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PNEUMATIC PERCUSSION DRILL WITH EXHAUST COOLING AND LUBRICATION OF CHUCK END
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Patent #:
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Issue Dt:
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05/19/1981
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Application #:
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06034211
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Filing Dt:
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04/30/1979
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Title:
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POSITIONING CONTROL SYSTEM FOR ROCK DRILL SUPPORT APPARATUS
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Patent #:
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Issue Dt:
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05/15/1984
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Application #:
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06379772
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Filing Dt:
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05/19/1982
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Title:
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PNEUMATIC HAMMER
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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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07562343
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Filing Dt:
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08/03/1990
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Title:
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DIGGING TOOTH
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Patent #:
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09/01/1992
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Application #:
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07751914
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Filing Dt:
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08/29/1991
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Title:
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DIGGING TOOTH
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03/21/1995
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Application #:
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08086525
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Filing Dt:
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07/01/1993
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Title:
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IMPACT HAMMER
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Patent #:
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10/25/1994
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Application #:
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08127262
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Filing Dt:
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09/27/1993
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Title:
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DRILL AUTOMATION CONTROL SYSTEM
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Patent #:
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Issue Dt:
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05/09/1995
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Application #:
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08242195
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Filing Dt:
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05/13/1994
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Title:
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REVERSE PERCUSSION DEVICE
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Patent #:
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Application #:
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UNAVAILABLE
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UNAVAILABLE
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UNAVAILABLE
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UNAVAILABLE
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UNAVAILABLE
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UNAVAILABLE
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UNAVAILABLE
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