Individual holder
HARGRAVES DONALD E
2 granted patents·1 pending application·96 citations·filing 1977–2004
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0193US4102526ASolenoid valveHARGRAVES DONALD E·Filed 1977·Granted Jul 25, 1978·88 cites·2 claims
- 0236US2006181168A1Pump motor with bearing preloadHARGRAVES DONALD E·Filed 2004·Application pending·0 cites
- 0334US4125278APlug-in connectorHARGRAVES DONALD E·Filed 1977·Granted Nov 14, 1978·8 cites·3 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →