WK

Wai Hing Kam

LR Learning Resources: 1 patents #13 of 25Top 55%
📍 Tseung Kwan O, CN: #112 of 213 inventorsTop 55%
Overall (All Time): #3,670,655 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5999339 Hand-held magnifying device Yau Chung Siu, Eric Toriumi 1999-12-07