TREA

Ryan J. Fens

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  • Dubuque, IA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Bull tire swing
    • Patent number D661361
    • Issue date Jun 5, 2012
    • DDI, Inc.
    • Ryan J. Fens
    • D21 - Games, toys, and sports goods
  • Information Patent Grant

    Tractor tire swing
    • Patent number D623715
    • Issue date Sep 14, 2010
    • DDI, Inc.
    • Ryan J. Fens
    • D21 - Games, toys, and sports goods