KC

Kuan-Der Chan

📍 Douliu, TW: #2 of 12 inventorsTop 20%
Overall (1989): #85,671 of 140,708Top 65%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

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