U.S. federal trademark · Serial No. 73048276 · Reg. No. 0908348
CONSTRUCTION MATERIAL-NAMELY, NATURAL AND ARTIFICIAL STONES, CEMENT, LIME, MORTAR, PLASTER AND GRAVEL; AND FIREPLACES
HEATING EQUIPMENT-NAMELY, AN APPARATUS FOR HEATING ONE OR MORE ROOMS FROM A SINGLE FIREPLACE BY RECOVERY OF HEAT FROM THE CHIMNEY
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