HN

Hugh R. Norris

IN Ingersoll-Rand: 1 patents #412 of 828Top 50%
📍 Howell, MI: #344 of 595 inventorsTop 60%
🗺 Michigan: #49,615 of 86,293 inventorsTop 60%
Overall (All Time): #3,912,400 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4960202 Friction control for bearing surface of roller Edwin E. Rice 1990-10-02