Individual holder
DURKEE RICHARD G
3 granted patents·28 citations·filing 1980–1981
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0152US4304599AHeavy metal removal processDURKEE RICHARD G·Filed 1980·Granted Dec 8, 1981·9 cites·15 claims
- 0250US4294434AHeavy metal removal apparatusDURKEE RICHARD G·Filed 1980·Granted Oct 13, 1981·9 cites·15 claims
- 0335US4450002AHeavy metal removal processDURKEE RICHARD G·Filed 1981·Granted May 22, 1984·10 cites·4 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →