DJ

Darrell D. Jahn

DC Donaldson Company: 2 patents #358 of 695Top 55%
📍 Shakopee, MN: #194 of 404 inventorsTop 50%
🗺 Minnesota: #23,881 of 52,454 inventorsTop 50%
Overall (All Time): #2,264,303 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5809770 Silencer for a gas flow — 1998-09-22
4876011 Oil recovery apparatus Peter A. Betts 1989-10-24