DJ

Darrell D. Jahn

DC Donaldson Company: 1 patents #5 of 24Top 25%
📍 Shakopee, MN: #2 of 5 inventorsTop 40%
🗺 Minnesota: #407 of 2,022 inventorsTop 25%
Overall (1989): #122,845 of 140,708Top 90%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4876011 Oil recovery apparatus Peter A. Betts 1989-10-24