MC

Mickey Wen-pin Chang

📍 Fengyuan, TW: #11 of 22 inventorsTop 50%
Overall (All Time): #3,730,159 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5690570 Multistage sprocket assembly for a bicycle Ti-Li Ueng 1997-11-25