OP

Ou Pi-Yu

📍 Danei, TW: #231 of 1,188 inventorsTop 20%
Overall (All Time): #1,672,654 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4765363 Intake valve for toilet tank — 1988-08-23
D294383 Toilet tank fill valve — 1988-02-23
4710986 Outlet valve for toilet tank — 1987-12-08