TREA

Roger Owen Durham

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  • Los Angeles, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rim strip for bicycle wheels
    • Patent number 4,043,373
    • Issue date Aug 23, 1977
    • Roger Owen Durham
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Two-position pedal for bicycles
    • Patent number 4,004,468
    • Issue date Jan 25, 1977
    • Roger Owen Durham
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS