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Heinrich Stukenkemper

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  • Castrop-Rauxel, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Fountain pen
    • Patent number D414203
    • Issue date Sep 21, 1999
    • rotring international GmbH & Co. KG
    • Heinrich Stukenkemper
    • D19 - Office supplies
  • Information Patent Grant

    Ball point pen
    • Patent number D412183
    • Issue date Jul 20, 1999
    • rotring international GmbH & Co. KG
    • Heinrich Stukenkemper
    • D19 - Office supplies