Andre Hertwig

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Edingen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Writing instrument
- Patent number 12,365,197
- Issue date Jul 22, 2025
- C. Josef Lamy GmbH
- Wilhelm Berberich
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Writing implement which lengthens and shortens when actuated
- Patent number 6,832,868
- Issue date Dec 21, 2004
- C. Josef Lamy GmbH
- Andre Hertwig
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

Information Patent Application
WRITING INSTRUMENT
- Publication number 20240174020
- Publication date May 30, 2024
- C. Josef Lamy GmbH
- Wilhelm BERBERICH
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Application
Writing implement which lengthens and shortens when actuated
- Publication number 20040042839
- Publication date Mar 4, 2004
- C. Josef Lamy GmbH
- Andre Hertwig
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES