TREA

Heikki Sipila

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  • Turku, FI
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Patents Grantslast 30 patents

  • Information Patent Grant

    Propeller shaft bearing arrangement
    • Patent number 4,795,273
    • Issue date Jan 3, 1989
    • Oy Wartsila AB
    • Torbjorn Henriksson
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Propeller shaft bearing arrangement
    • Patent number 4,733,976
    • Issue date Mar 29, 1988
    • Oy Wartsila AB
    • Torbjorn Henriksson
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT