DC

Douglas G. Crofoot

DC Donaldson Company: 2 patents #28 of 125Top 25%
📍 Burnsville, MN: #8 of 60 inventorsTop 15%
🗺 Minnesota: #1,027 of 5,843 inventorsTop 20%
Overall (2011): #103,363 of 364,097Top 30%
2
Patents 2011

Issued Patents 2011

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8029588 Fine fiber media layer Hoo Y. Chung, John R. B. Hall, Mark A. Gogins, Thomas M. Weik 2011-10-04
7918913 Reduced solidity web comprising fiber and fiber spacer or separation means Veli E. Kalayci, Timothy H. Grafe, Kristine M. Graham 2011-04-05