DP

Donald K. Pfundstein

JD John Deere: 3 patents #1,495 of 5,518Top 30%
📍 Peosta, IA: #14 of 44 inventorsTop 35%
🗺 Iowa: #4,661 of 15,303 inventorsTop 35%
Overall (All Time): #1,673,657 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4757249 Vehicle dual electrical system Arnold S. Farber, Charles W. Formwalt, Jr., Kenneth D. Baxter 1988-07-12
4186816 Supplementary hydrostatic drive electronic control 1980-02-05
4183419 Hydrostatic front wheel drive system John I. Henn 1980-01-15