DS

Darrel E. Smith

IT Ingersoll Cutting Tool: 2 patents #5 of 16Top 35%
📍 Rockford, IL: #538 of 1,291 inventorsTop 45%
🗺 Illinois: #34,584 of 84,256 inventorsTop 45%
Overall (All Time): #2,341,120 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4645386 Thread-cutting apparatus — 1987-02-24
4531863 Thread-cutting apparatus — 1985-07-30