OK

Otis Ku

SL Sun Hing Optical Manufactory Limited: 5 patents #1 of 1Top 100%
Overall (All Time): #983,792 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
9910293 Glasses with legs bendable in multiple angles 2018-03-06
7264349 Quick-release eyeglasses hinge 2007-09-04
6969173 Spectacle frame with detachable arms 2005-11-29
6942338 Spectacle frame having user-replaceable arm 2005-09-13
6439716 Spectacles 2002-08-27