CC

Chih-Hung Chien

YC Yih Cheng Factory Co.: 1 patents #1 of 1Top 100%
Overall (2020): #520,739 of 565,922Top 95%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10717174 Ratchet wrench capable of rotating quickly and driving rotation — 2020-07-21