Frederick E. Schuler

DC Donaldson Company: 1 patents #454 of 695Top 70%

📍 Windom, MN: #1,757 of 2,819 inventorsTop 65%

🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%

Overall (All Time): #4,055,053 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4395269	Compact dust filter assembly	—	1983-07-26