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Werner Leuthold

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  • Schwabach, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Mechanical pencil
    • Patent number 4,352,581
    • Issue date Oct 5, 1982
    • A.W. Faber-Castell
    • Werner Leuthold
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Mechanical pencil
    • Patent number 4,247,215
    • Issue date Jan 27, 1981
    • A. W. Faber-Castell
    • Werner Leuthold
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES