HS

Hung-Chiang Shao

Overall (All Time): #1,577,084 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7571748 Vacuum container — 2009-08-11
6555771 Electric shock-proof security device of a receptacle — 2003-04-29
6238224 Safety structure in a socket — 2001-05-29