Jean-Paul Deforges

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Tremblay les Gonesses, FR

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Patents Grantslast 30 patents

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Progressive opthalmic lenses and method of facilitating their manuf...
- Patent number 5,235,359
- Issue date Aug 10, 1993
- Essilor International Cie Generale d'Optique
- Jean-Pierre Chauveau
- G02 - OPTICS