DC

Der-Yuh Chern

📍 Pingtung City, TW: #83 of 233 inventorsTop 40%
Overall (All Time): #2,090,064 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8172284 Door handle 2012-05-08
7849719 Locking device 2010-12-14