73701843
Dec 17, 1987
Oct 31, 1989
Active Trademark
[ ELECTRICAL AND MECHANICAL TEMPERATURE CONTROLS FOR IMMERSION HEATERS; AND TIMERS ]
Electrical and Scientific ApparatusELECTRIC IMMERSION HEATERS; [ RADIANT HEATING ELEMENTS, PANELS AND OVENS; ] HEAT EXCHANGERS FOR HEATING AND COOLING; CIRCULATION HEATERS; CHEMICAL PROCESS SYSTEMS, COMPRISING THE ABOVE PRODUCTS IN COMBINATION WITH PUMPS, VALVES, FITTINGS, MAGNETIC STIRRERS, LIQUID LEVEL CONTROLLERS; AND CHEMICAL CARTRIDGE FILTERS
Environmental Control Apparatus