TREA

Paul G. Borthwick

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  • Marshalltown, IA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Bicycle crank arm shortener
    • Patent number 5,743,546
    • Issue date Apr 28, 1998
    • Paul G. Borthwick
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Bicycle stand
    • Patent number 5,498,015
    • Issue date Mar 12, 1996
    • Jerry J. Trout
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS