DR

Dwight M. Roll

📍 Roseau, MN: #85 of 134 inventorsTop 65%
🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%
Overall (All Time): #4,114,271 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4208835 Herbicide applicator Myron L. Kofstad, Charles H. Habstritt 1980-06-24