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David M. Attridge

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  • Rochester, NY, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Substrate inverter systems and methods
    • Patent number 7,566,055
    • Issue date Jul 28, 2009
    • Xerox Corporation
    • Stan A. Spencer
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Inverter having a slow speed drive mode for improved reliability
    • Patent number 6,808,171
    • Issue date Oct 26, 2004
    • Xerox Corporation
    • Daniel L. Carter
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Optimized passive gate inverter
    • Patent number 6,286,831
    • Issue date Sep 11, 2001
    • Xerox Corporation
    • Joseph Marasco
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Optimized passive gate inverter
    • Patent number 6,186,496
    • Issue date Feb 13, 2001
    • Xerox Corporation
    • Joseph Marasco
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Sheet pre-transfer device
    • Patent number 6,055,409
    • Issue date Apr 25, 2000
    • Xerox Corporation
    • Paul N. Richards
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Two step optimized stalled roll registration and deskew
    • Patent number 5,775,690
    • Issue date Jul 7, 1998
    • Xerox Corporation
    • Lisbeth S. Quesnel
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Gateless duplex inverter
    • Patent number 5,720,478
    • Issue date Feb 24, 1998
    • Xerox Corporation
    • Daniel L. Carter
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Vacuum transport apparatus
    • Patent number 5,608,511
    • Issue date Mar 4, 1997
    • Xerox Corporation
    • David M. Attridge
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Moving edge side registration device
    • Patent number 5,156,392
    • Issue date Oct 20, 1992
    • Xerox Corporation
    • Lam F. Wong
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Photoelectric paper basis weight sensor
    • Patent number 5,138,178
    • Issue date Aug 11, 1992
    • Xerox Corporation
    • Lam F. Wong
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Inverter-reverser for a reproduction machine
    • Patent number 4,493,483
    • Issue date Jan 15, 1985
    • Xerox Corporation
    • Roger G. Teumer
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents