HC

Hsin Ho Chang

Overall (All Time): #1,029,818 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7354260 Pneumatic motor including a rotor in a cylinder between two covers in a shell from which air travels into the cylinder through the covers 2008-04-08
7194939 Pneumatic wrench having reinforced strength 2007-03-27
7182149 Pneumatic wrench having reinforced strength 2007-02-27
7165631 Pneumatic wrench having enhanced strength 2007-01-23
7140282 Pneumatic wrench having reinforced strength 2006-11-28