YC

Yu-Tang Chen

Overall (2005): #14,202 of 245,428Top 6%
3
Patents 2005

Issued Patents 2005

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6945142 Socket 2005-09-20
6904832 Ratchet wrench 2005-06-14
6901824 Ratchet wrench structure 2005-06-07