U.S. federal trademark · Serial No. 73297799
HEATING SYSTEM AND ITS COMPONENTS WHICH CAN BE USED IN BOTH HOT AIR AND HOT WATER HEATING SYSTEMS, USING WATER AS THE HEAT TRANSFER MEDIUM AND SAID MEDIUMHEATED BY WOOD, COAL, ELECTRICITY, GAS OR OIL
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.