TREA

Dennis R. Hedrick

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  • High Point, NC, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Web feeding mechanism
    • Patent number 4,621,756
    • Issue date Nov 11, 1986
    • International Business Machines Corporation
    • Michael K. Bullock
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Ribbon feed with ink depletion compensation
    • Patent number 4,619,537
    • Issue date Oct 28, 1986
    • International Business Machines Corporation
    • Phuc K. Do
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Ink ribbon cartridge indication system for printer
    • Patent number 4,586,837
    • Issue date May 6, 1986
    • International Business Machines Corp.
    • Shepard D. Johnson
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS