HW

Heng-Jian Weng

📍 Tongji, CN: #32 of 62 inventorsTop 55%
Overall (All Time): #3,375,429 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7162937 Positioning device for a two-way ratchet tool 2007-01-16