FC

Fu-Yi Chan

Overall (All Time): #1,161,798 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11203101 Torque structure — 2021-12-21
9463559 Tool positioning device — 2016-10-11
7380482 High-strength ratchet structure for ratchet wrench — 2008-06-03
7156002 Tool shaft and tool bit arrangement — 2007-01-02