WC

Wa Choi Cheung

📍 Sha Tin, CN: #1,175 of 2,424 inventorsTop 50%
Overall (All Time): #3,428,509 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7107642 Adjustable mattress and pillow system Sui-Kay Wong, Tit Shing Wong, Him Fung Hau 2006-09-19