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William R. Blackmore

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  • Bloomington, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Watercraft roll-on system
    • Patent number 6,883,454
    • Issue date Apr 26, 2005
    • St. Croix Marine Products, Inc.
    • William R. Blackmore
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Boating lift
    • Patent number 6,591,770
    • Issue date Jul 15, 2003
    • St. Croix Marine Products, Inc.
    • William R. Blackmore
    • B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

  • Information Patent Application

    Watercraft roll-on system
    • Publication number 20040099198
    • Publication date May 27, 2004
    • William R. Blackmore
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT