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Marty Barris

DC Donaldson Company: 27 patents #34 of 695Top 5%
📍 Lakeville, MN: #21 of 513 inventorsTop 5%
🗺 Minnesota: #2,295 of 52,454 inventorsTop 5%
Overall (All Time): #144,732 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #TitleCo-InventorsDate
4986069 Engine exhaust particle trap captured mass sensor Wayne M. Wagner 1991-01-22
4650506 Multi-layered microfiltration medium Richard L. Zelinka 1987-03-17