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Industry

  • CPC
  • G04B37/125
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of recording and tracking timed events in a game

    • Patent number 5,098,101
    • Issue date Mar 24, 1992
    • Benjamin B. Jones
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    2132051

    • Patent number 2,132,051
    • Issue date Oct 4, 1938
    • G04 - HOROLOGY
  • Information Patent Grant

    1968444

    • Patent number 1,968,444
    • Issue date Jul 31, 1934
    • G04 - HOROLOGY
  • Information Patent Grant

    1539781

    • Patent number 1,539,781
    • Issue date May 26, 1925
    • G04 - HOROLOGY
  • Information Patent Grant

    1533297

    • Patent number 1,533,297
    • Issue date Apr 14, 1925
    • G04 - HOROLOGY