YC

Yau Hon Chan

Overall (All Time): #1,255,220 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D550264 LED folding magnifier — 2007-09-04
D544124 Clip-on booklight — 2007-06-05
D406853 Folding magnifier with light — 1999-03-16
D402069 Combined retractable lighted magnifier bar and flashlight — 1998-12-01