TREA

Lancelot I. Kethley

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  • Vancouver, WA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Gyroscopic propulsion device
    • Patent number 4,784,006
    • Issue date Nov 15, 1988
    • Lancelot I. Kethley
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...