CH

Cheng-Che Hung

📍 Changhua City, TW: #303 of 984 inventorsTop 35%
Overall (All Time): #2,212,403 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6370800 Shoes with air pumps — 2002-04-16
6131312 Safety shoe with detachable steel toe box — 2000-10-17