Individual holder
ABBOTT JOHN D
4 granted patents·225 citations·filing 1976–1993
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0195US4020920ARetractable transit coach stepABBOTT JOHN D·Filed 1976·Granted May 3, 1977·165 cites·3 claims
- 0287US4083429ARetractable passenger liftABBOTT JOHN D·Filed 1976·Granted Apr 11, 1978·42 cites·7 claims
- 0355US4391296ABy-pass pilot operated hydraulic check valveABBOTT JOHN D·Filed 1981·Granted Jul 5, 1983·17 cites·4 claims
- 0430USD357466SAutoload apparatus for computer disksABBOTT JOHN D·Filed 1993·Granted Apr 18, 1995·1 cites·1 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →