Individual holder
NORRIS DAVID P
US·2 granted patents·51 citations·filing 1990–1991
Individually held — no corporate assignee on record.
Technology mixB09C2
Top patents by PatentIndex Score
2 records- 0170US4993943AApparatus and method for the removal of higher and lower volatility organic contaminants from soilNORRIS DAVID P·Filed 1990·Granted Feb 19, 1991·32 cites·48 claims
- 0255US5178077AApparatus and method for the removal of higher and lower volatility organic contaminants from soilNORRIS DAVID P·Filed 1991·Granted Jan 12, 1993·19 cites·26 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →