Inventor · disambiguated record
John D. Bradbrook
Also filed as: BRADBROOK JOHN D
4 granted patents·90 citations·filing 1977–1983
78Inventor score
Top patents by PatentIndex Score
4 records- 0180US4486870AOptical data storagePETTIGREW ROBERT M·Filed 1982·Granted Dec 4, 1984·55 cites·52 claims
- 0269US4215480ADistance measuring gaugeNEIL HOLDINGS LTD JAMES·Filed 1977·Granted Aug 5, 1980·17 cites·8 claims
- 0349US4522482AInformation storage and retrievalCOMTECH RESEARCH·Filed 1982·Granted Jun 11, 1985·13 cites·60 claims
- 0432US4541695AZoom lens for camerasANGENIEUX P ETS·Filed 1983·Granted Sep 17, 1985·5 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →