HC

Hing Yuen Cheung

Overall (All Time): #1,214,855 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D740879 Eye glasses with springy hinge — 2015-10-13
D682924 Spring hinge — 2013-05-21
D565636 Clip-on accessory for eyeglasses — 2008-04-01
D495731 Clip-on accessory for eyeglasses — 2004-09-07