TREA

Ralf Hinkel

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  • Horingen, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Retractable keel apparatus
    • Patent number 9,302,741
    • Issue date Apr 5, 2016
    • Ralf Hinkel
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT

Patents Applicationslast 30 patents

  • Information Patent Application

    RETRACTABLE KEEL APPARATUS
    • Publication number 20140026795
    • Publication date Jan 30, 2014
    • Ralf Hinkel
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT