Roger A. Mayr

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Seminole, FL, US

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Patents Grantslast 30 patents

Information Patent Grant
Thermoplastic polyurethane lenses with a specified weight percentag...
- Patent number 8,270,089
- Issue date Sep 18, 2012
- Essilor International (Compagnie Générale d'Optique)
- Hao-Wen Chiu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of injection molding thin thermoplastic lenses
- Patent number 7,854,865
- Issue date Dec 21, 2010
- Essilor International
- Hao Wen Chiu
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Thermoplastic polyurethane lenses with a specified weight percentag...
- Publication number 20080246187
- Publication date Oct 9, 2008
- Essilor International Compagnie Generale D'Optique
- Hao-Wen Chiu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Method of injection molding thin thermoplastic lenses
- Publication number 20060279010
- Publication date Dec 14, 2006
- Essilor International Compagnie Generale D'Optique
- Hao Wen Chiu
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL