Andre Coinon

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Le Portel-France, FR

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Patents Grantslast 30 patents

Information Patent Grant
Pencil having an eraser-holding ferrule secured by ultrasonic weldi...
- Patent number 5,774,931
- Issue date Jul 7, 1998
- Conte S.A.
- Andre Coinon
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES