Pawl-and-ratchet mechanisms

Patents Grantslast 30 patents

  • Information Patent Grant

    Printing apparatus

    • Patent number 5,449,241
    • Issue date Sep 12, 1995
    • Matsushita Electric Industrial Co., Ltd.
    • Masaaki Matsui
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Platen knob

    • Patent number 5,286,124
    • Issue date Feb 15, 1994
    • Matsushita Electric Industrial Co., Ltd.
    • Yoshihiro Tsutsumi
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Recording apparatus

    • Patent number 5,018,886
    • Issue date May 28, 1991
    • Canon Kabushiki Kaisha
    • Soichi Hiramatsu
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Typewriter or similar machine

    • Patent number 4,932,799
    • Issue date Jun 12, 1990
    • Ta Triumph Adler Aktiengesellschaft
    • Rudolf Schmeykal
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Line spacing device for an office machine

    • Patent number 4,582,440
    • Issue date Apr 15, 1986
    • Silver Seiko Ltd.
    • Hideo Aoki
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    3847264

    • Patent number 3,847,264
    • Issue date Nov 12, 1974
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    3602355

    • Patent number 3,602,355
    • Issue date Aug 31, 1971
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3511426

    • Patent number 3,511,426
    • Issue date May 12, 1970
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3438477

    • Patent number 3,438,477
    • Issue date Apr 15, 1969
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    3247942

    • Patent number 3,247,942
    • Issue date Apr 26, 1966
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    2509534

    • Patent number 2,509,534
    • Issue date May 30, 1950
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    2475979

    • Patent number 2,475,979
    • Issue date Jul 12, 1949
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    2172007

    • Patent number 2,172,007
    • Issue date Sep 5, 1939
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    2107370

    • Patent number 2,107,370
    • Issue date Feb 8, 1938
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    2099059

    • Patent number 2,099,059
    • Issue date Nov 16, 1937
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    1873293

    • Patent number 1,873,293
    • Issue date Aug 23, 1932
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    1831364

    • Patent number 1,831,364
    • Issue date Nov 10, 1931
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    1627394

    • Patent number 1,627,394
    • Issue date May 3, 1927
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    1470190

    • Patent number 1,470,190
    • Issue date Oct 9, 1923
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents