CY

Chao-Hsin (Michael) Yu

Overall (1997): #166,275 of 185,788Top 90%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5683217 Self-counter-sinking screw with cutting receiving pockets Uli Walther 1997-11-04