YH

Ya-Lan He

📍 Linhai, CN: #6 of 11 inventorsTop 55%
Overall (2018): #188,423 of 503,207Top 40%
1
Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9868191 Ratchet wrench Rong-Suei Chan 2018-01-16