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Donald R. Pitt

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  • Murray, UT, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Variable pitch marine propeller system
    • Patent number 4,929,201
    • Issue date May 29, 1990
    • Vari-Prop, Inc.
    • Donald R. Pitt
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT