DF

David J. Farr

📍 Vance, AL: #2 of 5 inventorsTop 40%
🗺 Alabama: #5,342 of 10,951 inventorsTop 50%
Overall (All Time): #3,477,998 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6730876 Highly ductile reduced imperfection weld for ductile iron and method for producing same Daniel A. Copeland, James E. Wren 2004-05-04