CH

Chang Hsueh-O Hsu

Overall (All Time): #629,878 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
10994392 Multi-functional grip tool 2021-05-04
8733214 Wrench 2014-05-27
D686893 Wrench 2013-07-30
8307742 Hand tool adapter 2012-11-13
8261638 Hand tool adapter 2012-09-11
D660665 Wrench 2012-05-29
D660664 Socket 2012-05-29
6272952 Double-reversible screwdriver and wrench combination hand tool Yu-Tu Hsu 2001-08-14