JC

Jong-Shing Chang

📍 Ren'ai Township, TW: #3 of 30 inventorsTop 10%
Overall (All Time): #879,272 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6805028 Reversible ratchet wrench — 2004-10-19
6446530 Ratchet wrench — 2002-09-10
6250184 Hand tool having a fast replaceable blade — 2001-06-26
6098505 Adjustable wrench — 2000-08-08
6026714 Adjustable wrench — 2000-02-22
6000303 Pliers — 1999-12-14