GH

George A. Hellmer

📍 Maquoketa, IA: #13 of 19 inventorsTop 70%
🗺 Iowa: #8,735 of 15,303 inventorsTop 60%
Overall (All Time): #4,048,692 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4373621 Drive mechanism employing wrapped-spring clutch as radial load-bearing means — 1983-02-15