YH

Yip Nai Hung

DT Delta T: 1 patents #68 of 108Top 65%
Overall (All Time): #3,181,327 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D692120 Ceiling fan with light Ernest John Noble, Wong Boon Leong 2013-10-22