71557834
May 26, 1948
Nov 22, 1949
AIR CONDITIONING AND COOLING APPARATUS AND COMPONENTS THEREOF-NAMELY, SUB-ASSEMBLIES OF COMPLETE MACHINES COMPRISING AN EVAPORATOR WITH A CASING, OR FAN, OR BOTH, ALSO KNOWN AS "FORCED DRAFT" COOLERS; COMPLETE MACHINES FOR COOLING, FILTERING, DEHUMIDIFYING, AND CIRCULATING AIR FOR COMFORT PURPOSES, COMMONLY KNOWN AS "ROOM COOLERS" OR "AIR CONDITIONERS"
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