DE

Donald W. Ertmer

JD John Deere: 2 patents #2,042 of 5,518Top 40%
📍 Carpentersville, IL: #53 of 157 inventorsTop 35%
🗺 Illinois: #26,653 of 84,256 inventorsTop 35%
Overall (All Time): #1,403,105 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11808347 Automatic park lock Stephan R. Hayden, Nathan Yolitz 2023-11-07
7669580 Electronic engine speed control system for grass mowing machine Carl S. Silbernagel, John B. Kuhn, Harlin J. Trefz 2010-03-02
5291175 Limiting heat flow in planar, high-density power resistors Lawrence D. Gleason, Louis E. Roberts 1994-03-01