CT

Cheng-Chang Tsai

HT Htc: 1 patents #822 of 1,407Top 60%
📍 Jianshi, TW: #2 of 49 inventorsTop 5%
Overall (All Time): #549,928 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
11541513 Plumbing pliers 2023-01-03
11212093 Method of social key recovery and related device Hsien-Chun Chiu, I-Hui Lu, Ting-Hung Chu, Chun-Hao Lin, Han-Kuan Yu +1 more 2021-12-28
D833841 Torsion wrench 2018-11-20
8347759 Well coated wrench 2013-01-08
7584686 Quick release mechanism for socket wrench 2009-09-08
7255027 Self-adjusting plier device 2007-08-14
D435049 Portable pump 2000-12-12
6155781 Portable electric air pump 2000-12-05
D420011 Pump 2000-02-01