JK

John R. Koenigsfeld

JD John Deere: 1 patents #2,957 of 5,518Top 55%
Overall (All Time): #2,823,035 of 4,157,543Top 70%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10815920 Engine system and method with hydrocarbon injection and EGR Matthew R. Evers, Graham S. Anderson, Kevin M. Ver Lee, John C. Scheider 2020-10-27