Richard LIU

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Singapore, SG

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Patents Grantslast 30 patents

Information Patent Grant
Optical article comprising an electrically conductive layer, and pr...
- Patent number 10,392,517
- Issue date Aug 27, 2019
- Essilor International
- Richard Liu
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Optical Article Comprising an Electrically Conductive Layer, and Pr...
- Publication number 20160326380
- Publication date Nov 10, 2016
- Essilor International (Compagnie Generale D Optique)
- Richard LIU
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...