U.S. federal trademark · Serial No. 71618238 · Reg. No. 138419
[ EXHAUST FANS; UNITS COMPRISING A SUPPLY AND RETURN AIR DUCT ] AND AN EXHAUST FAN FOR THE DRAFT-FREE REMOVAL OF ROOM AIR; [ UNITS COMPRISING A SUPPLY AND RETURN AIR DUCT, ] AN EXHAUST FAN FOR THE DRAFT-FREE REMOVAL OF ROOM AIR, AND AN AIR HEATER; UNITS COMPRISING A SUPPLY AND RETURN AIR DUCT, AN EXHAUST FAN FOR THE DRAFT-FREE REMOVAL OF ROOM AIR, AN AIR HEATER, AND AN AIR COOLER; UNITS COMPRISING A SUPPLY AND RETURN AIR DUCT, [ A FAN FOR THE DRAFT-FREE REMOVAL OF ROOM AIR, AN AIR HEATER, AND AN AIR FILTER; UNITS COMPRISING A SUPPLY AND RETURN AIR DUCT, ] A FAN FOR THE DRAFT-FREE REMOVAL OF AIR, AN AIR HEATER, AN AIR COOLER, AND AN AIR FILTER; AIR-HUMIDIFIERS; AIR-DEHUMIDIFIERS; AIR-CONDITIONING UNITS; AXIAL AND CENTRIFUGAL VENTILATORS; [ THIN LAYER EVAPORATORS; SPRAY-DRIERS ]
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