DB

Donald R. Bollman

📍 Dassel, MN: #24 of 34 inventorsTop 75%
🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%
Overall (All Time): #4,102,941 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4307682 Water dispensing apparatus — 1981-12-29