DD

Denis J. Dudrey

DC Donaldson Company: 2 patents #2 of 18Top 15%
📍 Bloomington, MN: #5 of 37 inventorsTop 15%
🗺 Minnesota: #50 of 1,035 inventorsTop 5%
Overall (1982): #15,084 of 81,411Top 20%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4366069 Coolant recovery system John T. Herman, Girma Wolde-Michael, Delmer L. Radeztsky 1982-12-28
4350282 Self-purging centrifuge John T. Herman 1982-09-21