Jean-Philippe Lerch

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Rouffach, FR

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Patents Grantslast 30 patents

Information Patent Grant
Ink follower piston for a ball-point pen, and a method of manufactu...
- Patent number 6,443,647
- Issue date Sep 3, 2002
- Societe BIC
- Jean-Philippe Lerch
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES