Individual holder
DARBY JAMES W
3 granted patents·37 citations·filing 1980–1983
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0174USD265251SSwimming pool ladderDARBY JAMES W·Filed 1980·Granted Jun 29, 1982·14 cites·1 claims
- 0257US4314390AComposite burial vault and method for making sameDARBY JAMES W·Filed 1980·Granted Feb 9, 1982·21 cites·32 claims
- 0327US4531266ABurial vault structureDARBY JAMES W·Filed 1983·Granted Jul 30, 1985·2 cites·5 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →