Individual holder
DAY ROBERT L
US·4 granted patents·97 citations·filing 1978–1991
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0174US4249830AConcealed releasable frame structureDAY ROBERT L·Filed 1978·Granted Feb 10, 1981·33 cites·4 claims
- 0273US5098213AStatic ball jointDAY ROBERT L·Filed 1991·Granted Mar 24, 1992·25 cites·6 claims
- 0354US5154019ATrimless door frameDAY ROBERT L·Filed 1991·Granted Oct 13, 1992·24 cites·7 claims
- 0442US4819392AMetal frame systemDAY ROBERT L·Filed 1987·Granted Apr 11, 1989·15 cites·2 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →