CT

Chiung-Chang Tsai

Overall (2011): #107,147 of 364,097Top 30%
2
Patents 2011

Issued Patents 2011

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8051747 One-way ratchet wrench 2011-11-08
8020473 Handle of a hand tool having grinding capabilities 2011-09-20