U.S. federal trademark · Serial No. 73069658 · Reg. No. 1041269
ENVIRONMENTAL CONTROL APPARATUS-NAMELY, OIL BURNERS, OIL POWERED WATER HEATERS AND RESERVE HOT WATER STORAGE TANKS, OIL-FIRED CAST IRON AND STEEL BOILERS, WARM AIR FURNACES, FUEL FILTERS FOR OIL BURNERS AND HUMIDIFIERS
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