73064255
Sep 26, 1975
Apr 5, 1977
AIR HANDLING EQUIPMENT-NAMELY, DIFFUSERS, GRILLES, REGISTERS, MIXING BOXES, REHEAT BOXES (HEAT EXCHANGERS); AIR FLOW CONTROL EQUIPMENT INCLUDING FLOW REGULATORS, AND FLOW DAMPERS; AND AIR PURIFYING DEVICES AND ODOR ADSORBERS CONTAINING ACTIVATED CARBON OR OTHER ODOR ADSORBING SUBSTANCES; AND MANIFOLD PLATES, METAL CASINGS, CABINETS AND TANKS FOR SUPPORTING AND CONTAINING THE FOREGOING GOODS
Environmental Control Apparatus