George O. Hempel

Person

  • Pittsford, NY, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Thermal ink jet printing apparatus

    • Patent number 5,121,130
    • Issue date Jun 9, 1992
    • Xerox Corporation
    • George O. Hempel
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS