Jean-Marie Keller

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Charenton Le Pont, FR

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Patents Grantslast 30 patents

Information Patent Grant
Device for blocking optical elements
- Patent number 8,177,607
- Issue date May 15, 2012
- Essilor International (Compagnie Générale d'Optique)
- Patrick Herbin
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
Device for Blocking Optical Elements
- Publication number 20080299881
- Publication date Dec 4, 2008
- Essilor International (Compangnie Generale D'Optique)
- Patrick Herbin
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS