SANDRINE FRANCOIS

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PARIS, FR

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Patents Grantslast 30 patents

Information Patent Grant
Multifocal ophthalmic lens
- Patent number 6,540,354
- Issue date Apr 1, 2003
- Essilor International
- Jean-Pierre Chauveau
- G02 - OPTICS
Information Patent Grant
Progressive multifocal ophthalmic lens
- Patent number 6,220,705
- Issue date Apr 24, 2001
- Essilor International
- Sandrine Francois
- G02 - OPTICS
Information Patent Grant
Pair of multifocal progressive spectacle lenses
- Patent number 6,186,626
- Issue date Feb 13, 2001
- Essilor International
- Sandrine Francois
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
MULTIFOCAL OPHTHALMIC LENS
- Publication number 20020001061
- Publication date Jan 3, 2002
- JEAN-PIERRE CHAUVEAU
- G02 - OPTICS