RB

Ralph Emerson Beeman

EA E.I. Du Pont De Nemours And: 2 patents #2,942 of 8,010Top 40%
📍 Stillwater, OK: #188 of 455 inventorsTop 45%
🗺 Oklahoma: #4,502 of 12,736 inventorsTop 40%
Overall (All Time): #2,266,122 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5840571 Biological degradation of halogenated components in the unsaturated soil zone Stephen Hoover Shoemaker 1998-11-24
5277815 In situ biodegradation of groundwater contaminants 1994-01-11