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  • G04G9/105
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Patents Grantslast 30 patents

  • Information Patent Grant

    Digital color clock
    • Patent number 9,581,974
    • Issue date Feb 28, 2017
    • Adam C. Roman
    • G04 - HOROLOGY
  • Information Patent Grant

    Multiplex digital clock
    • Patent number 4,597,674
    • Issue date Jul 1, 1986
    • William H. Thompson
    • G04 - HOROLOGY
  • Information Patent Grant

    Interactive wristwatch calculator
    • Patent number 4,158,285
    • Issue date Jun 19, 1979
    • Hewlett-Packard Company
    • Edward A. Heinsen
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Solid state watch with inertial switch
    • Patent number 4,060,971
    • Issue date Dec 6, 1977
    • Time Computer, Inc.
    • Arthur H. O'Connor
    • G04 - HOROLOGY
  • Information Patent Grant

    Solid state watch with inertial switch
    • Patent number 4,051,662
    • Issue date Oct 4, 1977
    • Time Computer, Inc.
    • Arthur H. O'Connor
    • G04 - HOROLOGY
  • Information Patent Grant

    Electronic watch
    • Patent number 3,962,858
    • Issue date Jun 15, 1976
    • Uranus Electronics Inc.
    • Morris M. Levine
    • G04 - HOROLOGY
  • Information Patent Grant

    Solid state electronic timepiece
    • Patent number 3,961,472
    • Issue date Jun 8, 1976
    • Ragen Semiconductor, Inc.
    • Roger W. Riehl
    • G04 - HOROLOGY
  • Information Patent Grant

    3866406
    • Patent number 3,866,406
    • Issue date Feb 18, 1975
    • G04 - HOROLOGY
  • Information Patent Grant

    3839856
    • Patent number 3,839,856
    • Issue date Oct 8, 1974
    • G04 - HOROLOGY
  • Information Patent Grant

    3823551
    • Patent number 3,823,551
    • Issue date Jul 16, 1974
    • G04 - HOROLOGY
  • Information Patent Grant

    3803827
    • Patent number 3,803,827
    • Issue date Apr 16, 1974
    • G04 - HOROLOGY
  • Information Patent Grant

    3760584
    • Patent number 3,760,584
    • Issue date Sep 25, 1973
    • G04 - HOROLOGY
  • Information Patent Grant

    3742699
    • Patent number 3,742,699
    • Issue date Jul 3, 1973
    • G04 - HOROLOGY
  • Information Patent Grant

    3733810
    • Patent number 3,733,810
    • Issue date May 22, 1973
    • G04 - HOROLOGY
  • Information Patent Grant

    3714867
    • Patent number 3,714,867
    • Issue date Feb 6, 1973
    • G04 - HOROLOGY
  • Information Patent Grant

    3041595
    • Patent number 3,041,595
    • Issue date Jun 26, 1962
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS