HC

Hsin-Nien Chen

Overall (All Time): #967,537 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
11148464 Patterned structure 2021-10-19
7841245 Electronic torque wrench 2010-11-30
7225708 Ratchet tool having smooth engaging member 2007-06-05
7000504 Ratchet wrench having simplified adapter 2006-02-21
6748824 Ratchet wrench having socket adapter securing device 2004-06-15