TREA

Jake Friesen

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  • Leamington, Ontario, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Adjustable propeller system
    • Patent number 6,019,649
    • Issue date Feb 1, 2000
    • John Friesen
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Boat hull construction
    • Patent number 5,690,048
    • Issue date Nov 25, 1997
    • John Friesen
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT