KC

Kuan-Der Chan

📍 Douliu, TW: #145 of 282 inventorsTop 55%
Overall (All Time): #3,924,609 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4818188 Water and air pumping apparatus for a fish-raising pool — 1989-04-04