Inventor · disambiguated record
David B. Lederer
Also filed as: LEDERER DAVID B · LEDERER DAVID BUSH · LEDERER DAVID J
14 granted patents·1 pending application·313 citations·filing 1975–2001
94Inventor score
Files withDETECTION SYSTEMS INC14
Top patents by PatentIndex Score
15 records- 0188USD261740SIntruder detector housingDETECTION SYSTEMS INC·Filed 1979·Granted Nov 10, 1981·22 cites·1 claims
- 0285US4442359AMultiple field-of-view optical systemDETECTION SYSTEMS INC·Filed 1982·Granted Apr 10, 1984·51 cites·9 claims
- 0381US4224608ASingle terminal detection systemDETECTION SYSTEMS INC·Filed 1978·Granted Sep 23, 1980·34 cites·3 claims
- 0475US5552765ASmoke detector with individually stored range of acceptable sensitivityDETECTION SYSTEMS INC·Filed 1993·Granted Sep 3, 1996·49 cites·5 claims
- 0568US5543777ASmoke detector with individual sensitivity calibration and monitoringDETECTION SYSTEMS INC·Filed 1993·Granted Aug 6, 1996·36 cites·16 claims
- 0662US4746906ADual technology intruder detection system with modular opticsDETECTION SYSTEMS INC·Filed 1986·Granted May 24, 1988·26 cites·3 claims
- 0760US4920268APassive infrared detection system with substantially uniform sensitivity over multiple detection zonesDETECTION SYSTEMS INC·Filed 1989·Granted Apr 24, 1990·23 cites·8 claims
- 0858US5721529AIndividual smoke detector with stored range of acceptable sensitivityDETECTION SYSTEMS INC·Filed 1996·Granted Feb 24, 1998·25 cites·5 claims
- 0952US5699043AIndividual smoke detector with sensitivity calibration and monitoringDETECTION SYSTEMS INC·Filed 1996·Granted Dec 16, 1997·18 cites·16 claims
- 1048US4173717AOptical assemblyDETECTION SYSTEMS INC·Filed 1978·Granted Nov 6, 1979·7 cites·9 claims
- 1146US5382944ASupervised PIR motion-detection systemDETECTION SYSTEMS INC·Filed 1992·Granted Jan 17, 1995·14 cites·7 claims
- 1237USD293089SSmoke detector housingDETECTION SYSTEMS INC·Filed 1985·Granted Dec 8, 1987·2 cites·1 claims
- 1333US4689486AFolded optical system for radiation detection deviceDETECTION SYSTEMS INC·Filed 1985·Granted Aug 25, 1987·3 cites·6 claims
- 1433US3974488AMargin test switch for photoelectric intruder detection devicesDETECTION SYSTEMS INC·Filed 1975·Granted Aug 10, 1976·3 cites·3 claims
- 1531US2003108380A1Pivot joint and method for molding sameFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →