PB

Peter A. Betts

DC Donaldson Company: 3 patents #2 of 20Top 10%
📍 Prior Lake, MN: #1 of 17 inventorsTop 6%
🗺 Minnesota: #100 of 2,841 inventorsTop 4%
Overall (1994): #9,815 of 165,921Top 6%
3
Patents 1994

Issued Patents 1994

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5357755 Trap apparatus with bypass Gary R. Gillingham, Marty Barris, Charles O. Reinhart, Julian A. Imes, Erland D. Anderson 1994-10-25
5355973 Muffler with catalytic converter arrangement; and method Wayne M. Wagner, Marty Barris, Douglas E. Flemming, James C. Rothman 1994-10-18
5293742 Trap apparatus with tubular filter element Gary R. Gillingham, James C. Rothman, Kelly C. Robertson, Marty Barris, Wayne M. Wagner 1994-03-15