DS

Donald R. Selby

DC Dahlgren Manufacturing Company: 1 patents #2 of 7Top 30%
📍 Duncanville, TX: #77 of 131 inventorsTop 60%
🗺 Texas: #73,555 of 125,132 inventorsTop 60%
Overall (All Time): #4,019,194 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4532735 Variable angle extruder blade surfacing machine Harold P. Dahlgren, James E. Taylor, Dwight W. Peters 1985-08-06