73314952
Jun 15, 1981
Oct 4, 1983
Active Trademark
Pipes, Ducts and Stacks for Heating, Cooling and Ventilating Systems and Parts Therefor-Namely, Plenums, Elbows, Angles and Takeoffs, Trunk End Caps, Dampers, Starting Collars, Reducers, Increasers and Adapters, Stack and Register Adapters, Dampers, Boots and Heads; Furnace Pipe Drawbands, Flue Thimbles, Wedge Connectors, Casing Collars and T and Y Flues; Y Branches, Perimeter Fittings; Ceiling Diffusers, Sleeve Insulation, Draft Diverters and Hoods, Spin Fittings for Metal Duct and Duct Board, Exhaust and Fresh Air Hoods, Button Lock Round Pipe, Flexible Fiberglass Duct, Black Stovepipe, Plastic Dryer Vent Hoods, Oval Galvanized Pipe and Cold Air Drop Duct
Environmental Control Apparatus