DH

Don Harold

DC Donaldson Company: 1 patents #19 of 75Top 30%
📍 Prior Lake, MN: #21 of 56 inventorsTop 40%
🗺 Minnesota: #1,346 of 4,549 inventorsTop 30%
Overall (2002): #228,187 of 266,432Top 90%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6413289 Reverse flow air filter arrangement Donald F. Engel, Dolan Bartels, John R. Hacker, Bruce Crenshaw 2002-07-02