FD

Frederick W. DeVries

EA E.I. Du Pont De Nemours And: 1 patents #61 of 304Top 25%
📍 Chadds Ford, PA: #7 of 11 inventorsTop 65%
🗺 Pennsylvania: #570 of 2,652 inventorsTop 25%
Overall (1982): #65,586 of 81,411Top 85%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4311341 Restoration of uranium solution mining deposits Bernard C. Lawes 1982-01-19