WZ

Weidong Zhang

📍 Beijing, CA: #40 of 125 inventorsTop 35%
Overall (2004): #89,736 of 270,089Top 35%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6779952 Stepless speed change bench drill — 2004-08-24