Denis Joyeux

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Les Ulis, FR

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacture of a lens of transparent polymer having a mod...
- Patent number 5,258,024
- Issue date Nov 2, 1993
- Essilor International (Compaigne Generale d'Optique)
- Pierre Chavel
- G02 - OPTICS
Information Patent Grant
Artificial optical lens and method of manufacturing it
- Patent number 5,172,143
- Issue date Dec 15, 1992
- Essilor International "Cie Generale d'Optique"
- Dominique Baude
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Multiple contour diffractive lens
- Patent number 5,114,220
- Issue date May 19, 1992
- Essilor International, Compagnie Generale d'Optique
- Dominique Baude
- G02 - OPTICS
Information Patent Grant
Diffractive contact lens in relief
- Patent number 5,104,212
- Issue date Apr 14, 1992
- Essilor International Compagnie Generale d'Optique
- Jean Taboury
- G02 - OPTICS
Information Patent Grant
Optical lens for correcting astigmatism
- Patent number 5,016,977
- Issue date May 21, 1991
- Essilor International-Compagnie Generale
- Dominique Baude
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE