KW

Kwok Wang-On

Overall (All Time): #1,658,639 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5235707 Water tank for a flushing system with two-step flow control — 1993-08-17
5234452 Earwax curette with light beam localizing device — 1993-08-10
5140712 Siphon-operated water tank for a flushing system — 1992-08-25