DL

Donald E. Lehmann

📍 Hillman, MN: #2 of 4 inventorsTop 50%
🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%
Overall (All Time): #3,921,134 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4805558 Electric cow trainer — 1989-02-21