YS

Yung Sze-Tai

Overall (All Time): #2,165,043 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7063438 Multi-purpose spotlight and power station 2006-06-20
D514720 Spotlight 2006-02-07