TREA

Manfred Schweizer

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  • Eckental, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pen or pencil
    • Patent number 6,409,407
    • Issue date Jun 25, 2002
    • Schwan-Stabilo Schwanhausser GmbH & Co.
    • Manfred Schweizer
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing implement
    • Patent number 6,203,228
    • Issue date Mar 20, 2001
    • Schwan-Stabilo Schwanhausser GmbH & Co.
    • Manfred Schweizer
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES