CY

Chin-Shui Yang

Overall (All Time): #2,203,381 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6578242 String core-free invisible zipper structure — 2003-06-17
6460475 Method and device for manufacturing string core-free invisible zipper — 2002-10-08