TREA

Frank W. Campbell

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  • Robbinsdale, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Exercise chair
    • Patent number D342106
    • Issue date Dec 7, 1993
    • NordicTrack, Inc.
    • Frank W. Campbell
    • D21 - Games, toys, and sports goods
  • Information Patent Grant

    Multi-purpose torso exercise apparatus
    • Patent number 5,244,446
    • Issue date Sep 14, 1993
    • NordicTrack, Inc.
    • Timothy S. Engel
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Multi-purpose torso exercise apparatus
    • Patent number D337361
    • Issue date Jul 13, 1993
    • NordicTrack, Inc.
    • Timothy S. Engel
    • D21 - Games, toys, and sports goods
  • Information Patent Grant

    Multi-exercise apparatus
    • Patent number 5,195,937
    • Issue date Mar 23, 1993
    • NordicTrack, Inc.
    • Timothy S. Engel
    • A63 - SPORTS GAMES AMUSEMENTS