Details

Patents Grantslast 30 patents

  • Information Patent Grant

    1655913

    • Patent number 1,655,913
    • Issue date Jan 10, 1928
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    12157

    • Patent number 12,157
    • Issue date Jan 2, 1855
    • B22 - CASTING POWDER METALLURGY