PB

Peter A. Betts

DC Donaldson Company: 1 patents #5 of 32Top 20%
📍 Prior Lake, MN: #6 of 30 inventorsTop 20%
🗺 Minnesota: #813 of 3,156 inventorsTop 30%
Overall (1997): #94,583 of 185,788Top 55%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

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