WG

William Douglas Graham

JD John Deere: 27 patents #86 of 5,518Top 2%
📍 East Moline, IL: #2 of 91 inventorsTop 3%
🗺 Illinois: #2,253 of 84,256 inventorsTop 3%
Overall (All Time): #134,749 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #TitleCo-InventorsDate
6000315 Lift control for implement frame Ronald Pratt 1999-12-14
5988293 Gauge structure for a cylinder operated depth control Shane J. Brueggen, Robert Bennett, Richard Hugo Clark, Loyd Thomas Hubbard, Jr. 1999-11-23
5027718 Sectional table 1991-07-02