GC

George Wen-Hsi Chao

CO Contour Optik: 1 patents #8 of 15Top 55%
Overall (All Time): #1,265,480 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6733121 One piece front face for magnifying or correcting glasses 2004-05-11
D480881 Eyeglass frame front 2003-10-21
D436613 Eyeglasses 2001-01-23
5313639 Computer with security device for controlling access thereto 1994-05-17