Construction of inking rollers

Patents Grantslast 30 patents

  • Information Patent Grant

    Ink roll for high speed printing

    • Patent number 5,292,565
    • Issue date Mar 8, 1994
    • Porelon, Inc.
    • Lisa A. Napier
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    2298760

    • Patent number 2,298,760
    • Issue date Oct 13, 1942
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS