YC

Yi-Fu Chen

Overall (2018): #88,479 of 503,207Top 20%
2
Patents 2018

Issued Patents 2018

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10093007 Torque setting device for torque wrench 2018-10-09
9878437 Coating structure for forming a tool 2018-01-30