P

Assignee

STELLAR SYSTEMS

9 patents

Top patents by PatentIndex Score

US4365239ADec 21, 1982

Intrusion warning system

STELLAR SYSTEMS30 citations91
US5610583AMar 11, 1997

Intrusion warning system

STELLAR SYSTEMS24 citations82
US4415885ANov 15, 1983

Intrusion detector

STELLAR SYSTEMS20 citations80
US4174518ANov 13, 1979

Intrusion warning system

STELLAR SYSTEMS25 citations80
US7429719B1Sep 30, 2008

Self-regulating heater with a semiconductor heating element and method of heating

STELLAR SYSTEMS18 citations77
US4064499ADec 20, 1977

Intrusion warning system utilizing an electric field

STELLAR SYSTEMS19 citations72
US5057818AOct 15, 1991

Security map display and alarm monitor

STELLAR SYSTEMS13 citations68
US4257037AMar 17, 1981

Indicator and alarm for burglar alarms and the like

STELLAR SYSTEMS4 citations61
US4254413AMar 3, 1981

E Field balanced phase intrusion alarm

STELLAR SYSTEMS6 citations61