JE

James Efstrand

DC Donaldson Company: 1 patents #5 of 32Top 20%
📍 Arden Hills, MN: #6 of 22 inventorsTop 30%
🗺 Minnesota: #813 of 3,156 inventorsTop 30%
Overall (1997): #184,790 of 185,788Top 100%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D378744 Restriction indicator Kathleen A. Abrahamson, Thomas A. Boeckemann 1997-04-08