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Brevets

Référencé par

Brevet citant Date de dépôt Date de délivrance Cessionnaire d'origine Titre
US418862530 janv. 197812 févr. 1980U.S. Philips CorporationGas discharge display arrangement
US444907314 juin 198215 mai 1984Multi Electric Mfg. Inc.Runway approach lighting system with fault monitor
US451896326 avr. 198221 mai 1985Automatic indicator for tower lights
US50955025 déc. 198810 mars 1992System for the detection and localization of defective lamps of an urban lighting network
US603526616 avr. 19977 mars 2000A.L. Air Data, Inc.Lamp monitoring and control system and method
US611907616 avr. 199712 sept. 2000A.L. Air Data, Inc.Lamp monitoring and control unit and method
US63595552 oct. 199719 mars 2002A.L. AirData, Inc.Alarm monitoring and control system and method
US637048922 mai 20009 avr. 2002A.L. Air DataLamp monitoring and control system and method
US638472214 août 20007 mai 2002A.L. Air Data, Inc.Lamp monitoring and control system and method
US63933819 févr. 200021 mai 2002A.L. Air Data, Inc.Lamp monitoring and control unit and method
US639338222 mai 200021 mai 2002A. L. Air Data, Inc.Lamp monitoring and control system and method
US641524517 déc. 19992 juil. 2002A.L. Air Data, Inc.Lamp monitoring and control system and method
US645696028 juin 200024 sept. 2002A.L. Air Data, Inc.Lamp monitoring and control unit and method
US671489523 sept. 200230 mars 2004A.L. Air Data, Inc.Lamp monitoring and control unit and method
US688917430 mars 20043 mai 2005A.L. Air Data, Inc.Remotely controllable distributed device monitoring unit and system
US689216830 avr. 200410 mai 2005A.L. Air Data, Inc.Lamp monitoring and control system and method
US70681888 juin 200427 juin 2006Controlled Power CompanyRunway approach lighting system and method
US708826315 sept. 20048 août 2006Controlled Power CompanyRunway approach lighting system and method
US711389329 avr. 200526 sept. 2006A.L. Air Data, Inc.Lamp monitoring and control unit and method
US712056029 avr. 200510 oct. 2006A.D. Air Data, Inc.Lamp monitoring and control system and method
US719663331 déc. 200127 mars 2007AT&T Knowledge Ventures, LPIntegrated radio tower light controller and alarm reporting device

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