72333956
Jul 30, 1969
Jun 30, 1970
RESIDENTIAL AND COMMERCIAL AIR HEATING AND COOLING EQUIPENT-NAMELY, AUTOMATIC WALL CONVECTORS, AUTOMATIC FORCED AIR WALL HEATERS, BASEBOARD HEATING PANELS, BATHROOM HEATERS, AUTOMATIC PORTABLE HEATERS, PERIMETER CONVECTORS, CEILING HEAT CABLE, AIR THERMOSTATS, CENTRALIZED CONTROL SYSTEMS FOR ELECTRIC HEATING SYSTEMS, ELECTRIC AIR CONDITIONING SYSTEMS, UNIT HEATERS; INDUSTRIAL HEATING EQUIPMENT-NAMELY, UNIT HEATERS, SPACE HEATING EQUIPMENT, CONTROLS FOR INDUSTRIAL ELECTRICAL HEATING EQUIPMENT, LONGITUDINAL THIN DUCT HEATERS, INSERT DUCT TYPE HEATERS, OPEN COIL DUCT HEATERS, EXPLOSION PROOF CONVECTORS, AND AUTOMATIC UNIT VENTILATORS
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