Gérard Willemin

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Charenton Le Pont, FR

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Patents Grantslast 30 patents

Information Patent Grant
Process for the manufacture of lenses
- Patent number 8,765,216
- Issue date Jul 1, 2014
- Essilor International (Compagnie Generale d'Optique)
- Pierre-Jean Calba
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
PROCESS FOR THE MANUFACTURE OF LENSES
- Publication number 20120328776
- Publication date Dec 27, 2012
- ESSILOR INTERNATIONAL (COMPAGNIE GENERALE D'OPTIQUE)
- Pierre-Jean CALBA
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL