CHAMBERLAIN

[Electric motors for doors, gates and shutters; Tubular electric motors for doors, gates and shutters] [ ; central vacuum system for residential use, comprised of central vacuum units, tubing and fittings ]

REMOTE CONTROL SYSTEMS AND COMPONENTS THEREOF-NAMELY RADIO CONTROLS FOR GARAGE AND WAREHOUSE ENTRANCE DOORS AND GATES, AUTOMATIC GARAGE DOOR OPENERS, LIGHTS, MOTORS, ANTENNAS, TRANSMITTERS, RECEIVERS AND CONTROLLERS RESPONDING THERETO AND USED IN SUCH SYSTEMS; ELECTRICAL SAFETY EQUIPMENT, NAMELY, AN ELECTRIC EYE FOR SENSING OBSTRUCTIONS AND CONTROLLING DOORS; ELECTRONIC SECURITY DEVICES, NAMELY, ELECTRONIC CONTROLS FOR GRANTING ACCESS AND EGRESS THROUGH DOORS OR GATES; RADIO RECEIVER UNITS, RADIO TRANSMITTER UNITS, KEYPADS AND CARD READERS; A CENTRALIZED AUTOMATED SYSTEM COMPRISING A PROGRAMMABLE CONTROLLER, POWER LINE CARRIER MODULES, AND ONE OR MORE CONTROL MODULES OR CONTROL RECEPTACLES, FOR CONTROLLING AUDIO EQUIPMENT, LIGHTING, AND OTHER APPLIANCES IN A RESIDENCE

Providing technical advice and information in the maintenance and repair in the field of garage door opener installation, remote control systems, electrical safety equipment, electronic security systems, central automation systems

[ Providing research and design services for other enterprises regarding consumer, industrial, military and construction projects in the fields of garage door opener installation, remote control systems, electrical safety equipment, electronic security, centralized automation systems ]