CH

Chin-Shui Hung

Overall (All Time): #1,621,919 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6289101 Telephone receiver having a hollow portion Oscar Wei 2001-09-11
6215887 Thin type speaker having a secondary diaphragm Oscar Wei 2001-04-10
5134902 Auxiliary driving device for a rolling door — 1992-08-04