Taichung
Taiwan
5
2013-12-19
The entities that hold a legal rights for patent applications filed by inventor Yang Ching-chen:
Ching-chen Yang from Taichung, TW has applied for patents for these inventions. The list has both pending applications and granted patents:
Safety device for shears
#2 | 2013-01-17Quick release structure of woodworking clamp
#3 | 2012-12-06Advancing mechanism for a fixture
#4 | 2008-06-12Bar clamp with ratchet mechanism and linkage
#5 | 2008-01-29Spring-biased mechanism for quickly fastening slide bar and fixed jaw carrier of vise
4191796 ⎘