DC

Dianlin Chang

UN Unknown: 1 patents #206 of 2,107Top 10%
📍 Shenyang, CN: #1 of 2 inventorsTop 50%
Overall (1997): #159,468 of 185,788Top 90%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5647817 Two directional multi-speed shifting gear of middle axle — 1997-07-15