YC

Yaolong Chen

Overall (2004): #85,749 of 270,089Top 35%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6733369 Method and apparatus for polishing or lapping an aspherical surface of a work piece Siegfried Stacklies 2004-05-11