RS

Robert P. Spangler

JD John Deere: 1 patents #2,957 of 5,518Top 55%
📍 Hampton, IL: #6 of 13 inventorsTop 50%
🗺 Illinois: #48,934 of 84,256 inventorsTop 60%
Overall (All Time): #3,960,528 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4776153 Automatic height control for a laterally pivoted harvester header Richard A. DePauw, William R. Brown, Edward J. Hengen 1988-10-11