Markings applied to printing plates

Patents Grantslast 30 patents

  • Information Patent Grant

    Master cards for hectographic printing

    • Patent number 4,213,041
    • Issue date Jul 15, 1980
    • Data Card (U.K.) Limited
    • Colin H. S. Smith
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Selective duplicating machine

    • Patent number 4,068,580
    • Issue date Jan 17, 1978
    • Scriptomatic, Inc.
    • Henri Othmar Selhofer
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    3804005

    • Patent number 3,804,005
    • Issue date Apr 16, 1974
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    3650204

    • Patent number 3,650,204
    • Issue date Mar 21, 1972
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    2131503

    • Patent number 2,131,503
    • Issue date Sep 27, 1938
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    2082245

    • Patent number 2,082,245
    • Issue date Jun 1, 1937
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents