Inventor
CHAO RICHARD
TW11 patents
⚠️ This page may combine multiple inventors who share the name “CHAO RICHARD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
(unassigned)
6 patentsUS5737054AApr 7, 1998
Auxiliary lenses for eyeglasses
155 citations98
US5568207AOct 22, 1996
Auxiliary lenses for eyeglasses
190 citations98
US6382407B1May 7, 2002
Eyeglass case adapted to be hung on the neck of the user
71 citations95
US5682222AOct 28, 1997
Spectacle frame having magnetic coupling
60 citations95
US5627608AMay 6, 1997
Spectacle frame having resilient legs
22 citations92
US5592243AJan 7, 1997
Spectacle frame having gear coupling
40 citations92
CONTOUR OPTIK INC
4 patentsUS6012811AJan 11, 2000
Eyeglass frames with magnets at bridges for attachment
CONTOUR OPTIK INC109 citations98
US6092896AJul 25, 2000
Eye-wear with magnets
CONTOUR OPTIK INC46 citations96
US6367926B1Apr 9, 2002
Eye-wear with magnets
CONTOUR OPTIK INC25 citations92
USRE37545EFeb 12, 2002
Auxiliary lenses for eyeglasses
CONTOUR OPTIK INC33 citations92