TREA

William Cecil Blackman

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  • Raleigh, NC, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Tape measure with extended standout
    • Patent number 7,490,414
    • Issue date Feb 17, 2009
    • Cooper Brands, Inc.
    • James M. Critelli
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Tape measure with extended standout
    • Patent number 7,159,331
    • Issue date Jan 9, 2007
    • Cooper Brands, Inc.
    • James M. Critelli
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Tape measure mounting clip
    • Patent number 7,131,214
    • Issue date Nov 7, 2006
    • Cooper Brands, Inc.
    • William C. Blackman
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Retainer for power-return tape measure spring
    • Patent number 6,811,109
    • Issue date Nov 2, 2004
    • Cooper Brands, Inc.
    • William C. Blackman
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Tape measure housing with post
    • Patent number 6,718,649
    • Issue date Apr 13, 2004
    • Cooper Brands, Inc.
    • James M. Critelli
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Retractable tape measure with sliding lock
    • Patent number 5,806,202
    • Issue date Sep 15, 1998
    • Cooper Industries, Inc.
    • William C. Blackman
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Tape measure housing
    • Patent number D397950
    • Issue date Sep 8, 1998
    • Cooper Industries Inc.
    • William Cecil Blackman
    • D10 - Measuring, testing, or signalling instruments
  • Information Patent Grant

    One piece compound lock for tape measure
    • Patent number 5,794,357
    • Issue date Aug 18, 1998
    • Cooper Industries, Inc.
    • Edgar Thomas Gilliam
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Hooking device for a measuring tape
    • Patent number 5,600,894
    • Issue date Feb 11, 1997
    • Cooper Industries
    • William C. Blackman
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Tape measure lock
    • Patent number 4,976,048
    • Issue date Dec 11, 1990
    • Cooper Industries, Inc.
    • William C. Blackman
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Power return tape
    • Patent number 4,527,334
    • Issue date Jul 9, 1985
    • Cooper Industries, Inc.
    • Herman S. Jones
    • G01 - MEASURING TESTING

Patents Applicationslast 30 patents