CT

Chen-Chang Tsai

Overall (All Time): #1,586,244 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7213492 Control mechanism for a socket wrench — 2007-05-08
7188550 Open end adjustable spanner — 2007-03-13
5697267 Socket wrench — 1997-12-16