Douglas G. Crofoot

DC Donaldson Company: 1 patents #36 of 114Top 35%

📍 Burnsville, MN: #24 of 72 inventorsTop 35%

🗺 Minnesota: #2,630 of 7,066 inventorsTop 40%

Overall (2017): #438,218 of 506,227Top 90%

Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
9718012	Fine fiber media layer	Hoo Y. Chung, John R. B. Hall, Mark A. Gogins, Thomas M. Weik	2017-08-01