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Juergen Boeckmann

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  • Tangstedt-Rade, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pen holder device
    • Patent number 4,669,617
    • Issue date Jun 2, 1987
    • Koh-I-Noor Rapidograph, Inc.
    • Juergen Boeckmann
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES