Assignee
DUMORTIER ROBERT
FR·4 granted patents·122 citations·filing 1978–1985
Top patents by PatentIndex Score
4 records- 0183US4508469AManhole with articulated cover membersDUMORTIER ROBERT·Filed 1983·Granted Apr 2, 1985·48 cites·3 claims
- 0281US4175781ALatching arrangement for manhole coverDUMORTIER ROBERT·Filed 1978·Granted Nov 27, 1979·37 cites·9 claims
- 0362US4627249ALatch for utility access doorDUMORTIER ROBERT·Filed 1985·Granted Dec 9, 1986·22 cites·5 claims
- 0448US4364689AManhole cover assemblyDUMORTIER ROBERT·Filed 1981·Granted Dec 21, 1982·15 cites·9 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →