Etienne Billard

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Saint Claude, FR

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Patents Grantslast 30 patents

Information Patent Grant
Non-corrective lenses with improved peripheral vision
- Patent number 7,419,261
- Issue date Sep 2, 2008
- Sperian Eye & Face Protection, Inc.
- Isabelle Dumange
- G02 - OPTICS
Information Patent Grant
Non-correcting lens blank, and method for making same
- Patent number 6,554,421
- Issue date Apr 29, 2003
- Christian Dalloz Sunoptics
- Etienne Billard
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Noncorrective prism compensating lens and eyeglass provided with sa...
- Patent number 6,540,352
- Issue date Apr 1, 2003
- Christian Dalloz Sunoptics
- Etienne Billard
- G02 - OPTICS
Information Patent Grant
Lens blanks, process of manufacture therefor and eyewear incorporat...
- Patent number 5,805,263
- Issue date Sep 8, 1998
- Christian Dalloz S.A.
- Bernard Reymondet
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Non-corrective lenses with improved peripheral vision
- Publication number 20060098161
- Publication date May 11, 2006
- Isabelle Dumange
- G02 - OPTICS
Information Patent Application
Noncorrective prism compensating lens and eyeglass provided with sa...
- Publication number 20010038437
- Publication date Nov 8, 2001
- CHRISTIAN DALLOZ SUNOPTICS
- Etienne Billard
- G02 - OPTICS