TREA

William A. Grubbs

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  • Rockville, MD, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Compact shuttle printer mechanism
    • Patent number 4,402,620
    • Issue date Sep 6, 1983
    • International Business Machines Corp.
    • Dennis H. Kekas
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Shuttle printer and drive mechanism
    • Patent number 4,400,104
    • Issue date Aug 23, 1983
    • International Business Machines Corp.
    • Charles M. McCray
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS