HK

Huan-Chang Kuan

📍 Chunri, TW: #97 of 269 inventorsTop 40%
Overall (All Time): #1,882,997 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D924989 Bicycle frame 2021-07-13
6688806 Jump-proof manhole-handhole 2004-02-10