by effecting relative movement of forme and impression cylinders during printing cycle

Patents Grantslast 30 patents

  • Information Patent Grant

    Stencil printer having paper supply controller

    • Patent number 6,237,485
    • Issue date May 29, 2001
    • Riso Kagaku Corporation
    • Shigeki Fukai
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Duplicator machine with means for applying to the copies different...

    • Patent number 4,129,073
    • Issue date Dec 12, 1978
    • Gerhard Ritzerfeld
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Rotary duplicating machine

    • Patent number 3,995,546
    • Issue date Dec 7, 1976
    • Gerhard Ritzerfeld
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    3874284

    • Patent number 3,874,284
    • Issue date Apr 1, 1975
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    3613572

    • Patent number 3,613,572
    • Issue date Oct 19, 1971
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    2300575

    • Patent number 2,300,575
    • Issue date Nov 3, 1942
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    2068707

    • Patent number 2,068,707
    • Issue date Jan 26, 1937
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents