YL

Yin Sang Lam

OC Okia Optical Co.: 5 patents #2 of 7Top 30%
Overall (All Time): #1,007,298 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
8828296 Method of making eyeglass frame by injection molding Yan Zhang 2014-09-09
8652385 Method of manufacturing a decorative article with sealed decorative laminated sheet Yan Zou, Yan Zhang 2014-02-18
8545010 Dual lens eyeglasses Yan Zhang, Yousheng WANG 2013-10-01
7753518 Eyeglasses and eyeglass frames comprising glycol modified copolyesters Yan Zhang 2010-07-13
D556228 Radiant lens 2007-11-27