RR

Robert J. Roman

JD John Deere: 1 patents #2,957 of 5,518Top 55%
Overall (All Time): #2,144,342 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7343868 Seed placement system for use in a seeding machine Lyle Eugene Stephens, Miles R. Keaton, Jose M. Valdez 2008-03-18
4886458 Mechanical analog computer device 1989-12-12