PL

Pak Yan Lok

Overall (All Time): #2,129,780 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7847425 Tidal flow power generator 2010-12-07
7377524 Roller skate 2008-05-27