Individual holder
ODHNER OLIVER R
US·4 granted patents·19 citations·filing 1975–1990
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0143US4007509ABlackboard eraserODHNER OLIVER R·Filed 1975·Granted Feb 15, 1977·10 cites·11 claims
- 0233US4104759ACustodial eraserODHNER OLIVER R·Filed 1977·Granted Aug 8, 1978·5 cites·5 claims
- 0327US5118272AEquipment for eraser manufactureODHNER OLIVER R·Filed 1989·Granted Jun 2, 1992·2 cites·4 claims
- 0425US5094789AMethod for eraser manufactureODHNER OLIVER R·Filed 1990·Granted Mar 10, 1992·2 cites·5 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →