DL

David Langevin

📍 Great Neck, NY: #18 of 97 inventorsTop 20%
🗺 New York: #1,999 of 7,187 inventorsTop 30%
Overall (1997): #162,787 of 185,788Top 90%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5653143 Automatic mechanical variable ratio transmission — 1997-08-05