Douglas E. Flemming

DC Donaldson Company: 1 patents #7 of 20Top 35%

📍 Rosemount, MN: #2 of 7 inventorsTop 30%

🗺 Minnesota: #695 of 2,841 inventorsTop 25%

Overall (1994): #141,398 of 165,921Top 90%

Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5355973	Muffler with catalytic converter arrangement; and method	Wayne M. Wagner, Marty Barris, James C. Rothman, Peter A. Betts	1994-10-18