GC

George A. Copley

DC Donaldson Company: 3 patents #1 of 18Top 6%
📍 Farmington, MN: #1 of 2 inventorsTop 50%
🗺 Minnesota: #18 of 1,035 inventorsTop 2%
Overall (1982): #5,063 of 81,411Top 7%
3
Patents 1982

Issued Patents 1982

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4364751 Self-cleaning pulsed air cleaner — 1982-12-21
4359330 Self-cleaning pulsed air cleaner with integral precleaner — 1982-11-16
4331459 Self-cleaning pulsed air cleaner — 1982-05-25