PB

Peter A. Betts

DC Donaldson Company: 1 patents #5 of 24Top 25%
📍 Prior Lake, MN: #5 of 20 inventorsTop 25%
🗺 Minnesota: #407 of 2,022 inventorsTop 25%
Overall (1989): #70,167 of 140,708Top 50%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4876011 Oil recovery apparatus Darrell D. Jahn 1989-10-24