Eric Johnson

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Pinella Park, FL, US

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Patents Grantslast 30 patents

Information Patent Grant
Surface casting onto a polycarbonate photochromic substrate
- Patent number 8,029,707
- Issue date Oct 4, 2011
- Essilor International (Compagnie Générale d'Optique)
- Ronald Berzon
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
SURFACE CASTING ONTO A POLYCARBONATE PHOTOCHROMIC SUBSTRATE
- Publication number 20090116126
- Publication date May 7, 2009
- Ronald Berzon
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL