TREA

Donald A. Henrich

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  • Lake Villa, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Reverse thrust propeller
    • Patent number 4,778,419
    • Issue date Oct 18, 1988
    • Outboard Marine Corporation
    • Robert Bolle
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Anti-ventilation means for marine gear case
    • Patent number 4,447,214
    • Issue date May 8, 1984
    • Outboard Marine Corporation
    • Donald A. Henrich
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Hydro torque skeg foil
    • Patent number 4,304,557
    • Issue date Dec 8, 1981
    • Outboard Marine Corporation
    • Donald A. Henrich
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Marine propeller fish line and weed cutter
    • Patent number 4,211,515
    • Issue date Jul 8, 1980
    • Outboard Marine Corporation
    • Donald A. Henrich
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Marine propeller fish line and weed cutter
    • Patent number 4,180,368
    • Issue date Dec 25, 1979
    • Outboard Marine Corporation
    • Donald A. Henrich
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT