RH

Robert L. Hassenauer

EP Evans Products: 1 patents #5 of 17Top 30%
📍 Wilmette, IL: #302 of 495 inventorsTop 65%
🗺 Illinois: #48,934 of 84,256 inventorsTop 60%
Overall (All Time): #4,110,812 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4200208 Pneumatic hopper gate — 1980-04-29