DR

Donald R. Rettich

📍 Dayton, OH: #1,048 of 1,892 inventorsTop 60%
🗺 Ohio: #42,657 of 73,341 inventorsTop 60%
Overall (All Time): #4,033,961 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4447031 Spring counterbalanced support arm system James J. Souder, Edward D. Scarborough, Jr., Merlin D. Fox, Robert L. Mason 1984-05-08