CC

Chih-Hung Chien

YC Yih Cheng Factory Co.: 1 patents #2 of 2Top 100%
Overall (2017): #467,106 of 506,227Top 95%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9808917 Ratchet wrench capable of rotating quickly and driving rotation — 2017-11-07