U.S. federal trademark · Serial No. 97182538 · Reg. No. 7874169
Ceramic refractory material, namely, ceramic refractory construction and repair materials in the nature of bricks, refractory mortars, fired refractory materials, refractory shapes, refractory construction materials, not of metal; ceramic refractory bricks, refractory mortars, fired refractory materials not of metal, refractory shapes not of metal, refractory construction materials not of metal, all for coke oven walls; ceramic refractory material made of double fuse silica for coke oven walls and high temperature processes in industrial use
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