Inventor · disambiguated record
R. Keith Harman
Also filed as: HARMAN R KEITH
11 granted patents·594 citations·filing 1979–1994
93Inventor score
Files withSENSTAR SECURITY SYST4SENSTAR CORP3SOUTHWEST MICROWAVE INC2COMPUTING DEVICES CO1IRIS ELECTRONICS CORP1
Top patents by PatentIndex Score
11 records- 0195US4249207APerimeter surveillance systemCOMPUTING DEVICES CO·Filed 1979·Granted Feb 3, 1981·173 cites·16 claims
- 0292US4605914AShunt transmission line for use in leaky coaxial cable systemSENSTAR SECURITY SYST·Filed 1984·Granted Aug 12, 1986·77 cites·21 claims
- 0383US4987394ALeaky cablesSENSTAR CORP·Filed 1987·Granted Jan 22, 1991·56 cites·51 claims
- 0476US5448222ACoupled transmission line sensor cable and methodSOUTHWEST MICROWAVE INC·Filed 1993·Granted Sep 5, 1995·60 cites·39 claims
- 0576US4562428AIntrusion detectorSENSTAR SECURITY SYST·Filed 1982·Granted Dec 31, 1985·44 cites·25 claims
- 0674US5247270ADual leaky cablesSENSTAR CORP·Filed 1990·Granted Sep 21, 1993·50 cites·17 claims
- 0773US5446446ADifferential, multiple cell reflex cable intrusion detection system and methodSOUTHWEST MICROWAVE INC·Filed 1994·Granted Aug 29, 1995·52 cites·7 claims
- 0866US4612536ADual velocity leaky cable intrusion detector sensorSENSTAR SECURITY SYST·Filed 1984·Granted Sep 16, 1986·24 cites·22 claims
- 0964US5594332AAlternating current detectorIRIS ELECTRONICS CORP·Filed 1994·Granted Jan 14, 1997·34 cites·20 claims
- 1055US4994789APhase shift divided leaky cable sensorSENSTAR CORP·Filed 1989·Granted Feb 19, 1991·19 cites·19 claims
- 1130US4710753ASecurity system transmission lineSENSTAR SECURITY SYST·Filed 1985·Granted Dec 1, 1987·5 cites·36 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →