CC

Chih-Hung Chien

YC Yih Cheng Factory Co.: 1 patents #1 of 1Top 100%
Overall (2019): #515,977 of 560,194Top 95%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10245712 Ratchet wrench having quick release structure — 2019-04-02