TREA

Detroit Marine Engineering, Inc.

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  • Detroit, MI, US
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Steering wheel
    • Patent number 4,884,469
    • Issue date Dec 5, 1989
    • Detroit Marine Engineering Corporation
    • R. Alexander Wrigley
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Porthole construction
    • Patent number 4,669,410
    • Issue date Jun 2, 1987
    • Detroit Marine Engineering, Inc.
    • George Howell
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Adjustable boat seat
    • Patent number 4,544,199
    • Issue date Oct 1, 1985
    • Detroit Marine Engineering, Inc.
    • Robert A. Wrigley
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Button construction for tufted boat upholstery
    • Patent number 4,158,251
    • Issue date Jun 19, 1979
    • Detroit Marine Engineering Corporation
    • George Howell
    • B68 - SADDLERY UPHOLSTERY
  • Information Patent Grant

    Gland nut retaining means
    • Patent number 4,046,481
    • Issue date Sep 6, 1977
    • Detroit Marine Engineering Corporation
    • Louis T. Horvath
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Stowing hinge for boat ladder
    • Patent number 3,980,157
    • Issue date Sep 14, 1976
    • Detroit Marine Engineering Corporation
    • Robert A. Wrigley
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Ladder
    • Patent number 3,944,024
    • Issue date Mar 16, 1976
    • Detroit Marine Engineering
    • Charles L. Adas
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT

Patents Applicationslast 30 patents

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