SL

Sing Kwok Leung

📍 Sha Tin, CN: #514 of 2,424 inventorsTop 25%
Overall (All Time): #1,623,619 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6260235 Vacuum cleaners — 2001-07-17
D398099 Vacuum cleaner — 1998-09-08
5560076 Combined vacuum cleaner and torch — 1996-10-01