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Wolfgang K. W. Barkemeyer

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  • Reinbek, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rudder for watercraft
    • Patent number 4,434,738
    • Issue date Mar 6, 1984
    • Jastram-Werke GmbH & Co. KG
    • Wolfgang K. W. Barkemeyer
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT