Individual holder
HARGRAVES WILLIAM J
3 granted patents·36 citations·filing 1973–1975
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0170US4075718ANozzle flush systemHARGRAVES WILLIAM J·Filed 1975·Granted Feb 28, 1978·28 cites·5 claims
- 0234US3990967APositive progressive biochemical digestion of organic wasteHARGRAVES WILLIAM J·Filed 1973·Granted Nov 9, 1976·3 cites·13 claims
- 0329US4044406ACompact portable self-contained aerobic digestion toiletHARGRAVES WILLIAM J·Filed 1975·Granted Aug 30, 1977·5 cites·3 claims
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