73670041
Jul 6, 1987
Jul 5, 1988
METAL GRIDS FOR SUPPORTING SUSPENDED CEILING PANELS AND TILES; METAL CLOTHES CHUTE DOORS; METAL VENTS FOR USE IN CONSTRUCTION, NAMELY, ROOF, ROOF JACK, ROOF RIDGE, GABLE, WALL, EAVE, SOFFET, FOUNDATION, MASONRY WALL CAP AND NON-POWERED TURBINE VENTS AND VACUUM CAPS THEREFOR
Metal GoodsVENTILATION EQUIPMENT, NAMELY, POWERED ROOF, WALL AND GABLE FANS; CLOTHES DRYER VENTS; REGISTER PANELS FOR HOT AIR AND AIR CONDITIONING INTAKES AND OUTLETS; FLOOR, WALL AND CEILING AIR DIFFUSERS; FLOOR, WALL AND CEILING VENTILATION GRILLS; AIR DIFFUSING DAMPERS; FLOOR, WALL AND CEILING VENTILATING REGISTERS; POWERED AIR-FLOW REGISTERS, HUMIDIFIERS; AND FLEXIBLE VENTILATING DUCTS
Environmental Control Apparatus