AH

Arthur F. Hackman

📍 O'Fallon, IL: #53 of 95 inventorsTop 60%
🗺 Illinois: #48,934 of 84,256 inventorsTop 60%
Overall (All Time): #3,987,377 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4713539 Photoelectric controller device including brushes — 1987-12-15