of flat or curved plates for hectographic printing

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

    Addressing machine

    • Patent number 4,068,581
    • Issue date Jan 17, 1978
    • George E. Shepherd
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    3902410

    • Patent number 3,902,410
    • Issue date Sep 2, 1975
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    3640215

    • Patent number 3,640,215
    • Issue date Feb 8, 1972
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    2615392

    • Patent number 2,615,392
    • Issue date Oct 28, 1952
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    2552869

    • Patent number 2,552,869
    • Issue date May 15, 1951
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents