JC

Ji-Jong Chang

Overall (All Time): #1,460,744 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10166689 Turret punch 2019-01-01
7571668 Woundable ratchet wrench 2009-08-11
6902093 Centering punch 2005-06-07