Card punches

Industry

  • CPC
  • G06K1/08
This industry / category may be too specific. Please go to a parent level for more data

Current Industry

Patents Grantslast 30 patents

  • Information Patent Grant

    Systems and methods for setting correspondence between pieces of eq...

    • Patent number 11,568,510
    • Issue date Jan 31, 2023
    • Eric Bordeleau
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Data recorder and stylus therefor

    • Patent number 5,206,486
    • Issue date Apr 27, 1993
    • Election Data Corporation
    • Richard J. Stephens
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Voting machine with punch card attachment

    • Patent number 4,025,040
    • Issue date May 24, 1977
    • Riverside Press, Inc.
    • Cothburn M. O'Neal
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3846718

    • Patent number 3,846,718
    • Issue date Nov 5, 1974
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3741469

    • Patent number 3,741,469
    • Issue date Jun 26, 1973
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3680774

    • Patent number 3,680,774
    • Issue date Aug 1, 1972
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3630434

    • Patent number 3,630,434
    • Issue date Dec 28, 1971
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3621747

    • Patent number 3,621,747
    • Issue date Nov 23, 1971
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3618836

    • Patent number 3,618,836
    • Issue date Nov 9, 1971
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3171593

    • Patent number 3,171,593
    • Issue date Mar 2, 1965
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    2858888

    • Patent number 2,858,888
    • Issue date Nov 4, 1958
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    2846008

    • Patent number 2,846,008
    • Issue date Aug 5, 1958
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    2620878

    • Patent number 2,620,878
    • Issue date Dec 9, 1952
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    2394604

    • Patent number 2,394,604
    • Issue date Feb 12, 1946
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    2366861

    • Patent number 2,366,861
    • Issue date Jan 9, 1945
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    2157040

    • Patent number 2,157,040
    • Issue date May 2, 1939
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    2064340

    • Patent number 2,064,340
    • Issue date Dec 15, 1936
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    2016686

    • Patent number 2,016,686
    • Issue date Oct 8, 1935
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    1989844

    • Patent number 1,989,844
    • Issue date Feb 5, 1935
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    1950476

    • Patent number 1,950,476
    • Issue date Mar 13, 1934
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    1878935

    • Patent number 1,878,935
    • Issue date Sep 20, 1932
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    1864714

    • Patent number 1,864,714
    • Issue date Jun 28, 1932
    • G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents