TREA

Donald E. Lorenz

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  • Langdon, ND, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of using a cutting edge cart
    • Patent number 7,225,520
    • Issue date Jun 5, 2007
    • Blade Lift, Inc.
    • Donald E. Lorenz
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Cutting edge cart
    • Patent number 6,964,092
    • Issue date Nov 15, 2005
    • Blade Lift, Inc.
    • Donald E. Lorenz
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS