TREA

Fritz Ziehm

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  • Chesterfield, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Outdrive guard
    • Patent number 6,302,050
    • Issue date Oct 16, 2001
    • Fritz Ziehm
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Boat steering centered indicator
    • Patent number 6,201,483
    • Issue date Mar 13, 2001
    • Fritz Ziehm
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT