NH

Norman W. Hillegass

📍 Homewood, IL: #76 of 146 inventorsTop 55%
🗺 Illinois: #48,934 of 84,256 inventorsTop 60%
Overall (All Time): #3,902,135 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4922743 Bar for connecting railway track rails and method of making same Walter J. Drone 1990-05-08