DC

Donald R. Conn

📍 South Bend, IN: #445 of 809 inventorsTop 60%
🗺 Indiana: #19,404 of 33,936 inventorsTop 60%
Overall (All Time): #4,125,208 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4237770 Poppet member for a control valve Gregory K. Harrison, George D. Pope, Richard F. Riel, Donald A. Kobb, Charley T. Kelley +2 more 1980-12-09