Ralph S. Billing

Person

  • Waynesboro, VA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Multicolor printing

    • Patent number 4,543,002
    • Issue date Sep 24, 1985
    • Genicom Corporation
    • John R. Bittner
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS