DB

Donald L. Burrough

JD John Deere: 1 patents #2,957 of 5,518Top 55%
Overall (All Time): #3,969,346 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4646850 Rotary incorporator and spider wheel therefor Douglas P. Brown, Donald Ray Peck 1987-03-03