John S. Richards

Person

  • Arlington, TX, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Fluid metering method and apparatus

    • Patent number 4,709,635
    • Issue date Dec 1, 1987
    • Harris Graphics Corporation
    • Vince T. Kubert
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS