JR

James C. Rothman

DC Donaldson Company: 1 patents #5 of 32Top 20%
📍 Apple Valley, MN: #6 of 24 inventorsTop 25%
🗺 Minnesota: #813 of 3,156 inventorsTop 30%
Overall (1997): #134,499 of 185,788Top 75%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5683479 Air cleaner having scavenger arrangement Gary R. Gillingham, Peter A. Betts, Daniel T. Risch, Fred H. Wahlquist 1997-11-04