Jean Stephane

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Charenton Le Pont, FR

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Patents Grantslast 30 patents

Information Patent Grant
Optical-grade surfacing tool
- Patent number 11,969,848
- Issue date Apr 30, 2024
- Essilor International
- Eric Gacoin
- B24 - GRINDING POLISHING
Information Patent Grant
Surfacing tool for optical purposes
- Patent number 10,189,139
- Issue date Jan 29, 2019
- Essilor International
- Eric Gacoin
- B24 - GRINDING POLISHING
Information Patent Grant
Optical grade surfacing device
- Patent number 8,408,976
- Issue date Apr 2, 2013
- Essilor International (Compagnie Generale d'Optique)
- Jean Stephane
- B24 - GRINDING POLISHING
Information Patent Grant
Tool for surfacing an optical surface
- Patent number 7,559,829
- Issue date Jul 14, 2009
- Essilor International (Compagnie Generale d'Optique)
- Jean Stephane
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL LENS
- Publication number 20230176400
- Publication date Jun 8, 2023
- Essilor International
- Eric GACOIN
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
OPTICAL-GRADE SURFACING TOOL
- Publication number 20190344396
- Publication date Nov 14, 2019
- Essilor International
- Eric GACOIN
- B24 - GRINDING POLISHING
Information Patent Application
SURFACING TOOL FOR OPTICAL PURPOSES
- Publication number 20160288287
- Publication date Oct 6, 2016
- Essilor International (Compagnie Generale D Optique)
- Eric GACOIN
- B24 - GRINDING POLISHING
Information Patent Application
Method For Polishing an Optical Surface By Means of a Polishing Tool
- Publication number 20150038053
- Publication date Feb 5, 2015
- ESSILOR INTERNATIONAL (COMPAGNIE GENERALE D'OPTIQUE)
- Alain Batard
- B24 - GRINDING POLISHING
Information Patent Application
OPTICAL GRADE SURFACING DEVICE
- Publication number 20100178858
- Publication date Jul 15, 2010
- ESSILOR INTERNATIONAL (COMPAGNIE GENERALE D'OPTIQUE)
- Jean Stephane
- B24 - GRINDING POLISHING
Information Patent Application
Tool For Surfacing An Optical Surface
- Publication number 20080171502
- Publication date Jul 17, 2008
- ESSILOR INTERNATIONAL(COMPAGNIE GENERALE D'OPTIQUE)
- Jean Stephane
- B24 - GRINDING POLISHING