DJ

Donald O. Johannsen

JD John Deere: 1 patents #10 of 101Top 10%
📍 Dubuque, IA: #3 of 14 inventorsTop 25%
🗺 Iowa: #47 of 364 inventorsTop 15%
Overall (1982): #68,753 of 81,411Top 85%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
RE31107 Feedback shaft extending between swashplate and displacement control valve John J. Kass 1982-12-21