JC

Jui-Sheng Chang

Overall (All Time): #2,157,223 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7311155 Pneumatic tool with direction switch operable with single hand 2007-12-25
7213500 Pneumatic tool 2007-05-08