Individual holder
DOWNEY ERNEST L
US·4 granted patents·1,221 citations·filing 1986–1990
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0191US4874389AReplacement discDOWNEY ERNEST L·Filed 1987·Granted Oct 17, 1989·309 cites·20 claims
- 0290US5035716AReplacement discDOWNEY ERNEST L·Filed 1990·Granted Jul 30, 1991·427 cites·12 claims
- 0388US5147404AVertebra prosthesisDOWNEY ERNEST L·Filed 1990·Granted Sep 15, 1992·368 cites·19 claims
- 0472US4926849AApparatus for separating vertebraeDOWNEY ERNEST L·Filed 1986·Granted May 22, 1990·117 cites·16 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →