PY

Po-Ling Yuen

📍 Uithoorn, NL: #20 of 48 inventorsTop 45%
Overall (All Time): #3,820,220 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5197175 Rotating bead stringing apparatus — 1993-03-30