TREA

Donald P. Gellert

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  • Laconia, NH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Kite controller
    • Patent number 5,026,007
    • Issue date Jun 25, 1991
    • Donald P. Gellert
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Delta squared kite
    • Patent number 4,969,615
    • Issue date Nov 13, 1990
    • Donald P. Gellert
    • A63 - SPORTS GAMES AMUSEMENTS