WL

Wei Li

US Union Switch & Signal: 1 patents #3 of 14Top 25%
📍 Shanghai, MI: #3 of 5 inventorsTop 60%
Overall (1997): #61,182 of 185,788Top 35%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5683148 Brake pipe pneumatic valve Paul J. Boget 1997-11-04