75057733
Feb 14, 1996
factory-built wood- and gas-burning fireplaces and fireplace inserts; gas-burning vent-free fireplaces and fireplace inserts; room heaters; gas-heater vent systems, warm-air circulating systems for masonry fireplaces; fireplace accessories, namely grates, dampers, log lighters, chimney spark arresters, flues, chimney fittings, gas burners, air grilles and fans for fireplace use, ash dumps, and ash boxes
Environmental Control Apparatus