KC

Kung-chien Chang

📍 Pico Rivera, CA: #32 of 74 inventorsTop 45%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,540,163 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6367660 Safety device for a double valve arrangement for beer keg — 2002-04-09