WC

Wen-Kwei Chang

Overall (2004): #35,547 of 270,089Top 15%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6769277 Structure of a locker 2004-08-03
6769278 Anti-burglar device of a door locker 2004-08-03