TREA

Douglas Hemphill

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  • Richmond, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Collar assembly for watercraft
    • Patent number 6,371,039
    • Issue date Apr 16, 2002
    • Zodiac Hurricane Technologies, Inc.
    • Douglas H. Hemphill
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Combined foam and inflatable collar assemblies for watercraft
    • Patent number 6,371,040
    • Issue date Apr 16, 2002
    • Zodiac Hurricane Technologies, Inc.
    • Douglas H. Hemphill
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Automatically inflatable boat
    • Patent number 6,178,911
    • Issue date Jan 30, 2001
    • Zodiac Hurricane Technologies, Inc.
    • Douglas Hemphill
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Foam collar and boat incorporating same
    • Patent number 5,878,685
    • Issue date Mar 9, 1999
    • Zodiac Hurricane Technologies, Inc.
    • Douglas Hemphill
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Diver's door for inflatable boat
    • Patent number 5,832,864
    • Issue date Nov 10, 1998
    • Zodiac Hurricane Technologies, Inc.
    • Douglas Hemphill
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Tube attachment device for inflatable boats
    • Patent number 5,584,260
    • Issue date Dec 17, 1996
    • Zodiac Hurricane Technologies, Inc.
    • Douglas Hemphill
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Diver's door for inflatable boat
    • Patent number 5,579,714
    • Issue date Dec 3, 1996
    • Zodiac Hurricane Technologies, Inc.
    • Douglas Hemphill
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT