Inventor · disambiguated record
Joseph A. Crawford
Also filed as: CRAWFORD JOSEPH · CRAWFORD JOSEPH A
4 granted patents·1 pending application·18 citations·filing 1982–2016
71Inventor score
Top patents by PatentIndex Score
5 records- 0137US4954749AFluorescent lamp electrode disconnect method and arrangement for practicing the methodPHILIPS CORP·Filed 1988·Granted Sep 4, 1990·7 cites·21 claims
- 0236US2018010272A1Filling material and process for making samePACIFIC COAST FEATHER CO·Filed 2016·Application pending·0 cites
- 0330US4740731ATwo capacitor apparatus for sequential starting and operation of multiple series connected discharge lampsADVANCE TRANSFORMER CO·Filed 1986·Granted Apr 26, 1988·4 cites·20 claims
- 0429US5013970APeak voltage reducer circuit for fluorescent lampsPHILIPS CORP·Filed 1988·Granted May 7, 1991·4 cites·2 claims
- 0527US4517498ASequence start lamp ballast with current spike suppression meansADVANCE TRANSFORMER CO·Filed 1982·Granted May 14, 1985·3 cites·23 claims
Join the waitlist — get patent alerts
Get an alert when Joseph A. Crawford files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →