TREA

David K. Camfield

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  • Olney, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Plastic wheel and method of making same
    • Patent number 5,782,540
    • Issue date Jul 21, 1998
    • Brunswick Corporation
    • David K. Camfield
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Bicycle with simulated motorcycle parts
    • Patent number 5,505,493
    • Issue date Apr 9, 1996
    • Roadmaster Corporation
    • David K. Camfield
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Bicycle
    • Patent number D368242
    • Issue date Mar 26, 1996
    • Roadmaster Corporation
    • David K. Camfield
    • D12 - Transportation
  • Information Patent Grant

    Simulated motorcycle engine for a bicycle
    • Patent number D367021
    • Issue date Feb 13, 1996
    • Roadmaster Corporation
    • David K. Camfield
    • D12 - Transportation
  • Information Patent Grant

    Bicycle with simulated motorcycle parts
    • Patent number 5,314,207
    • Issue date May 24, 1994
    • Roadmaster Corporation
    • David K. Camfield
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Bicycle
    • Patent number D346138
    • Issue date Apr 19, 1994
    • Roadmaster Corporation
    • David K. Camfield
    • D12 - Transportation
  • Information Patent Grant

    Bicycle fairing
    • Patent number D345725
    • Issue date Apr 5, 1994
    • Roadmaster Corporation
    • David K. Camfield
    • D12 - Transportation
  • Information Patent Grant

    Bicycle shroud
    • Patent number D345325
    • Issue date Mar 22, 1994
    • David K. Camfield
    • D12 - Transportation
  • Information Patent Grant

    Bicycle shroud
    • Patent number D343599
    • Issue date Jan 25, 1994
    • Roadmaster Corporation
    • David K. Camfield
    • D12 - Transportation
  • Information Patent Grant

    Bicycle
    • Patent number D342702
    • Issue date Dec 28, 1993
    • Roadmaster Corporation
    • David K. Camfield
    • D12 - Transportation
  • Information Patent Grant

    Stationary exercise device
    • Patent number 4,762,317
    • Issue date Aug 9, 1988
    • Roadmaster Corporation
    • David K. Camfield
    • A63 - SPORTS GAMES AMUSEMENTS