U.S. federal trademark · Serial No. 73143048 · Reg. No. 1123456
CONSTRUCTION, INSTALLATION AND MAINTENANCE OF DUCT SYSTEMS-NAMELY, AIR CONDITIONING DUCT SYSTEMS, HEATING DUCT SYSTEMS, VENTILATING DUCT SYSTEMS, EXHAUST DUCT SYSTEMS, DRY MATERIAL TRANSFER DUCT SYSTEMS, DUST COLLECTION DUCT SYSTEMS, MODULAR DUCT SYSTEMS AND DISMOUNTABLE DUCT SYSTEMS
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