DC

Douglas G. Crofoot

DC Donaldson Company: 2 patents #7 of 52Top 15%
📍 Burnsville, MN: #7 of 70 inventorsTop 10%
🗺 Minnesota: #590 of 4,663 inventorsTop 15%
Overall (2004): #67,118 of 270,089Top 25%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6746517 Filter structure with two or more layers of fine fiber having extended useful service life James Benson, Mark A. Gogins, Thomas M. Weik 2004-06-08
6743273 Polymer, polymer microfiber, polymer nanofiber and applications including filter structures Hoo Y. Chung, John R. B. Hall, Mark A. Gogins, Thomas M. Weik 2004-06-01