of curved plates

Patents Grantslast 30 patents

  • Information Patent Grant

    3289308

    • Patent number 3,289,308
    • Issue date Dec 6, 1966
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    2085908

    • Patent number 2,085,908
    • Issue date Jul 6, 1937
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR