TC

Te Chen Chu

Overall (All Time): #639,178 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
9914201 Ratchet tool device 2018-03-13
9421674 Quick driving mechanism for ratchet tool 2016-08-23
9126314 Ratchet tool having quick driving mechanism 2015-09-08
D714607 Tool extension 2014-10-07
7181996 Ratchet wrench having two driving devices 2007-02-27
7104165 Swing head structure of wrench with two kinds of torque output 2006-09-12
6854360 Socket tool for forcibly detaching screw member and a method for manufacturing the socket tool 2005-02-15
6311584 Ratchet wrench having an additional driving device 2001-11-06