U.S. federal trademark · Serial No. 73672469
HEAT EXCHANGERS FOR DOMESTIC AND COMMERCIAL WATER HEATERS; FOR HEATING AND COOLING PROCESS FLUIDS; AND FOR SPACE HEATING, AND PARTS THEREFOR, BOILERS AND HEAT RECLAIMERS AND PARTS THEREFOR CONSULTATION SERVICES IN THE DESIGN OF FLUID HEATING AND HEAT RECLAIMING APPARATUS
TEMPERATURE REGULATORS
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