SF

Sai Yiu Fan

Overall (All Time): #1,984,019 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9681788 Vacuum cleaner and wet dust filter — 2017-06-20
D651373 Hand held rechargeable vacuum cleaner — 2011-12-27