TREA

Rick D. Fox

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  • Santa Cruz, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electric handcart
    • Patent number 6,062,328
    • Issue date May 16, 2000
    • Jeffery D. Campbell
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Motorized auger
    • Patent number 6,056,065
    • Issue date May 2, 2000
    • Power Technology Unlimited, Inc.
    • Jeffery D. Campbell
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Motorized wheelbarrow
    • Patent number 5,878,827
    • Issue date Mar 9, 1999
    • Power Technology Unlimited, Inc.
    • Rick Dean Fox
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Wheeled motorized mixer
    • Patent number 5,868,494
    • Issue date Feb 9, 1999
    • Power Technology Unlimited, In.
    • Jeffery D. Campbell
    • B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents

  • Information Patent Application

    Wheelbarrow
    • Publication number 20040164509
    • Publication date Aug 26, 2004
    • Jeffery D. Campbell
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS