Inventor · disambiguated record
Leonard R. Hulls
Also filed as: ARMSTRONG LEE R · DOWDELL TOY JR · HULLS LEONARD R · HULLS LEONARD ROBIN
9 granted patents·400 citations·filing 1975–1983
91Inventor score
Top patents by PatentIndex Score
9 records- 0197US4178546AAlternator test apparatus and methodRCA CORP·Filed 1978·Granted Dec 11, 1979·209 cites·7 claims
- 0280US4189940AEngine fault diagnosisRCA CORP·Filed 1978·Granted Feb 26, 1980·28 cites·4 claims
- 0379US3965749ASampling and dilution methodUS ARMY·Filed 1975·Granted Jun 29, 1976·32 cites·1 claims
- 0472US4552991AAbsolute position coordinate determining device employing a single phase difference measurement to determine cursor positionNUMONICS CORP·Filed 1983·Granted Nov 12, 1985·44 cites·6 claims
- 0569US3978719ATachometer without physical connection to internal combustion engineRCA CORP·Filed 1975·Granted Sep 7, 1976·20 cites·8 claims
- 0664US4570033APolyphase digitizerNUMONICS CORP·Filed 1983·Granted Feb 11, 1986·31 cites·5 claims
- 0762US3977239AEngine diagnosis from frequency components in exhaustRCA CORP·Filed 1976·Granted Aug 31, 1976·14 cites·8 claims
- 0860US4032852AFilter which tracks changing frequency of input signalRCA CORP·Filed 1976·Granted Jun 28, 1977·10 cites·4 claims
- 0953US4133205AIdentification of engine cylinder having faultRCA CORP·Filed 1977·Granted Jan 9, 1979·12 cites·10 claims
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