JE

James K. Elfstrand

DC Donaldson Company: 1 patents #19 of 75Top 30%
📍 Mounds View, MN: #4 of 11 inventorsTop 40%
🗺 Minnesota: #1,346 of 4,549 inventorsTop 30%
Overall (2002): #199,033 of 266,432Top 75%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6340375 Air cleaner; method and use Rocco A. DePietro, III, Steven A. Carter 2002-01-22