for producing a plurality of copies along the printing line by a single ink ribbon

Patents Grantslast 30 patents

  • Information Patent Grant

    2803331

    • Patent number 2,803,331
    • Issue date Aug 20, 1957
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    2656909

    • Patent number 2,656,909
    • Issue date Oct 27, 1953
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents