CHAMBERLAIN

HOME IMPROVEMENT ITEMS-NAMELY, COMBINATION INSULATING DOORS, BOTH SCREEN AND GLASS; COMBINATION WINDOWS; COLUMNS, LOCK NUTS, AND DOORS; CARPORTS AND LAWN STORAGE BUILDINGS; AND LADDERS

MACHINE TOOLS-NAMELY, SLEEVES AND SPLIT SLEEVES; EXTENSION SOCKETS; TOOL HOLDERS, TAPERS AND ADAPTERS; SHANK SOCKETS; BULLNOSE AND PIPE CENTERS; LATHE AND GRINDER CENTERS; LIVE CENTERS; CHUCKS; COLLETS; TAP DRIVERS, ARBORS; BUSHINGS; DRILLS; ADAPTERS AND SPINDLE EXTENSIONS; SCISSORS AND BOOM LIFTS; DRILL; REAMER AND TAPE DRIVERS; SHANKS; HYDRAULIC AND MECHANICAL LIFTS

PUBLIC ADDRESS SYSTEMS AND PARTS THEREOF, SOUND SYSTEMS AND PARTS THEREOF FOR PROVIDING BACKGROUND MUSIC, PAGING AND INTERCOMMUNICATION SYSTEMS BETWEEN REMOTELY SPACED LOCATIONS, ELECTRONIC ELEVATING LECTERNS AND ROSTRUMS CONSISTING OF MICROPHONES AND AMPLIFIERS AND PARTS THEREOF, PORTABLE MESSAGE ANNOUNCERS, PORTABLE DIRECTIONAL HORN SPEAKER SYSTEMS AND PARTS THEREOF, PORTABLE PUBLIC ADDRESS SYSTEMS AND MICROPHONES AND AMPLIFIERS FOR USE THEREWITH; AUDIO LEARNING DEVICES AND TEACHING AIDS-NAMELY, TRANSCRIPTION PLAYERS, PHONOGRAPH RECORD PLAYERS, MAGENTIC TAPE RECORDING UNITS AND TAPE PLAYBACK UNITS, CASSETTE RECORDER/PLAYER UNITS, COMBINATION RECORD-CASSETTE UNITS FOR RECORDING AND PLAYBACK, AND PARTS THEREOF; TAPE/FILM CANNISTERS AND RACKS THEREOFR; REMOTE CONTROL SYSTEMS AND COMPONENTS THEREOF-NAMELY, RADIO CONTROLLED SYSTEMS FOR GARAGE AND WAREHOUSE ENTRANCE DOORS OR GATES, ANNUNCIATORS, LIGHTS, MOTORS, BURGLAR ALARMS AND MATERIAL HANDLING APPARATUS, AND ANTENNAS, TRANSMITTERS, RECEIVERS AND CONTROLLERS RESPONDING THERETO AND USED IN SUCH SYSTEMS; TELEVISION SERVICE AND MAINTENANCE EQUIPMENT-NAMELY, TELEVISION TUBE BRIGHTENERS, TELEVISION TUBE SOCKET ADAPTERS AND VOLTAGE ADJUSTERS

HYDRAULIC TRAILERS

OFFICE APPLIANCES AND ARTICLES-NAMELY, WIRE BASKETS, FILE SUPPORTS AND DIVIDERS, DESK TRAYS, STENOGRAPHER'S NOTEBOOK STANDS, FILE AND DESK ORGANIZERS, BOOK AND NOTE RACKS, AND CONTINUOUS BUSINESS FORMS HANDLING RACKS

CONSTRUCTION MATERIALS-NAMELY, PATIO CANOPIES, SLIDING DOORS FOR PATIOS, AWNINGS, SHUTTERS, ALUMINUM FACIA AND SOFFIT, ALUMINUM SIDING, STEEL STUDS, GARAGE DOORS AND AUTOMATIC OPENERS THEREFOR, AND PARTS THEREOF

DESIGNING AND CONSTRUCTING SPECIALTY MACHINERY FOR OTHERS