TREA

Apparatus or tools adapted for slotting or otherwise marking information-retrieval cards

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  • CPC
  • G06K21/06
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Parent Industries

GPHYSICS G06Computing G06KRECOGNITION OF DATA PRESENTATION OF DATA RECORD CARRIERS HANDLING RECORD CARRIERS G06K21/00Information retrieval from punched cards designed for manual use or handling by machine Apparatus for handling such cards

Current Industry

G06K21/06Apparatus or tools adapted for slotting or otherwise marking information-retrieval cards
Industries

Patents Grantslast 30 patents

  • 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

    Perforation hand punch
    • Patent number 4,987,683
    • Issue date Jan 29, 1991
    • Heinz Brych
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Combined article selector and coder
    • Patent number 3,963,176
    • Issue date Jun 15, 1976
    • O. K. Partnership
    • Richard C. O'Brien
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3812753
    • Patent number 3,812,753
    • Issue date May 28, 1974
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3784439
    • Patent number 3,784,439
    • Issue date Jan 8, 1974
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    3776085
    • Patent number 3,776,085
    • Issue date Dec 4, 1973
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    3765669
    • Patent number 3,765,669
    • Issue date Oct 16, 1973
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    3741053
    • Patent number 3,741,053
    • Issue date Jun 26, 1973
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3720810
    • Patent number 3,720,810
    • Issue date Mar 13, 1973
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3682033
    • Patent number 3,682,033
    • Issue date Aug 8, 1972
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3625416
    • Patent number 3,625,416
    • Issue date Dec 7, 1971
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3622067
    • Patent number 3,622,067
    • Issue date Nov 23, 1971
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    3524586
    • Patent number 3,524,586
    • Issue date Aug 18, 1970
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3469774
    • Patent number 3,469,774
    • Issue date Sep 30, 1969
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3452925
    • Patent number 3,452,925
    • Issue date Jul 1, 1969
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3380652
    • Patent number 3,380,652
    • Issue date Apr 30, 1968
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3372866
    • Patent number 3,372,866
    • Issue date Mar 12, 1968
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3327940
    • Patent number 3,327,940
    • Issue date Jun 27, 1967
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3231186
    • Patent number 3,231,186
    • Issue date Jan 25, 1966
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3180183
    • Patent number 3,180,183
    • Issue date Apr 27, 1965
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3156137
    • Patent number 3,156,137
    • Issue date Nov 10, 1964
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3066565
    • Patent number 3,066,565
    • Issue date Dec 4, 1962
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    2874776
    • Patent number 2,874,776
    • Issue date Feb 24, 1959
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    2845124
    • Patent number 2,845,124
    • Issue date Jul 29, 1958
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    2815811
    • Patent number 2,815,811
    • Issue date Dec 10, 1957
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    2768686
    • Patent number 2,768,686
    • Issue date Oct 30, 1956
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    2762434
    • Patent number 2,762,434
    • Issue date Sep 11, 1956
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    2735490
    • Patent number 2,735,490
    • Issue date Feb 21, 1956
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    2729290
    • Patent number 2,729,290
    • Issue date Jan 3, 1956
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    2726720
    • Patent number 2,726,720
    • Issue date Dec 13, 1955
    • G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents