CHAMBERLAIN

[ COMBINATION INSULATING DOORS, BOTH SCREEN AND GLASS, MADE PRIMARILY OF METAL; COMBINATION WINDOWS MADE PRIMARILY OF METAL ]

REMOTE CONTROL SYSTEMS AND COMPONENTS THEREOF - NAMELY RADIO CONTROLS FOR GARAGE AND WAREHOUSE ENTRANCE DOORS OR GATES, AUTOMATIC GARAGE DOOR OPENERS, LIGHTS, MOTORS, ANTENNAS, TRANSMITTERS, RECEIVERS AND CONTROLLERS RESPONDING THERETO AND USED IN SUCH SYSTEMS