Inventor · disambiguated record
Richard L. Mcmaster
Also filed as: MCMASTER RICHARD L
8 granted patents·291 citations·filing 1977–1996
89Inventor score
Top patents by PatentIndex Score
8 records- 0188US4660024ADual technology intruder detection systemDETECTION SYSTEMS INC·Filed 1985·Granted Apr 21, 1987·93 cites·7 claims
- 0275US5705988APhotoelectric smoke detector with count based A/D and D/A converterDETECTION SYSTEMS INC·Filed 1996·Granted Jan 6, 1998·66 cites·3 claims
- 0374US4876445AIntrusion detection device with extended field of viewNVTEK SECURITY PRODUCTS INC·Filed 1988·Granted Oct 24, 1989·40 cites·8 claims
- 0468US4963749AQuad element intrusion detectionDETECTION SYSTEMS INC·Filed 1989·Granted Oct 16, 1990·33 cites·8 claims
- 0553US5450061AGlass break detection using temporal sequence of selected frequency characteristicsDETECTION SYSTEMS INC·Filed 1994·Granted Sep 12, 1995·17 cites·7 claims
- 0653US5438317AGlass break detection with noise riding featureDETECTION SYSTEMS INC·Filed 1994·Granted Aug 1, 1995·20 cites·26 claims
- 0752US5552770AGlass break detection using multiple frequency rangesDETECTION SYSTEMS INC·Filed 1995·Granted Sep 3, 1996·20 cites·17 claims
- 0830US4141008AEnergy-responsive intruder detection systemDETECTION SYSTEMS INC·Filed 1977·Granted Feb 20, 1979·2 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →