TREA

Douglas Drake

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  • Milwaukee, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Boom vang for sailing vessel
    • Patent number 6,520,103
    • Issue date Feb 18, 2003
    • Harken, Inc.
    • Greg Hartlmeier
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT

Patents Applicationslast 30 patents

  • Information Patent Application

    Boom vang for sailing vessel
    • Publication number 20020000182
    • Publication date Jan 3, 2002
    • Greg W. Hartlmeier
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT