CC

Chih-Hung Chien

YC Yih Cheng Factory Co.: 1 patents #1 of 1Top 100%
Overall (2018): #463,248 of 503,207Top 95%
1
Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10131038 Ratchet wrench having flexible positioning structure — 2018-11-20