KC

Kuei-Chuan Chang

Overall (All Time): #1,409,852 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11376716 Ratchet wrench 2022-07-05
D944611 Reversing lever for ratchet wrench 2022-03-01
D817130 Ratchet wrench 2018-05-08