U.S. federal trademark · Serial No. 73481661 · Reg. No. 547/85
MINERAL ADDITIVES FOR USE WITH FERTILIZERS AND FOR USE IN MAKING INSULATION
BUILDING MATERIALS, NAMELY BRICKS, CEMENT AND MORTAR
INSULATING MATERIALS MADE FROM DIATOMITE FOR USE IN BOILER BOTTOMS, JACKETS, PIPE SYSTEMS, SMOKE FLUES AND OTHER PLACES WHERE INSULATING BOARDS AND BLANKETS ARE DIFFICULT TO APPLY
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