eighteen-sided

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  • CPC
  • A63F2009/0444
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Patents Grantslast 30 patents

  • Information Patent Grant

    Collapsible polyhedron

    • Patent number 11,219,818
    • Issue date Jan 11, 2022
    • David Yakos
    • G08 - SIGNALLING
  • Information Patent Grant

    Football game board

    • Patent number 4,524,975
    • Issue date Jun 25, 1985
    • Keith E. Caughie
    • A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents