Douglas E. Flemming

DC Donaldson Company: 1 patents #15 of 69Top 25%

📍 Rosemount, MN: #4 of 14 inventorsTop 30%

🗺 Minnesota: #1,525 of 4,860 inventorsTop 35%

Overall (2003): #235,136 of 273,478Top 90%

Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6550573	Muffler with catalytic converter arrangement, and method	Wayne M. Wagner, Marty Barris, James C. Rothman, Peter A. Betts	2003-04-22