John R. Coulter

Person

  • Grand Rapids, MI, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Screen printer

    • Patent number 5,239,923
    • Issue date Aug 31, 1993
    • Harco Graphic Products, Inc.
    • James E. Belcher
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS