CH

Chih-Ching Hsieh

Overall (2011): #9,032 of 364,097Top 3%
7
Patents 2011

Issued Patents 2011

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
8056450 Buoyant hand tool with enhanced connection effect 2011-11-15
8056449 Wrenching tool applicable to various sizes of threaded members 2011-11-15
8051538 Handle with asymmetrical configuration 2011-11-08
7993087 Threaded member with antirust effect 2011-08-09
7987749 Wrench with a rotatable head 2011-08-02
7942085 Double-fulcrum torque wrench 2011-05-17
7895924 Socket connection device 2011-03-01