U.S. federal trademark · Serial No. 88760235 · Reg. No. 6212845
bricks; refractory products not of metal, namely, ramming mixes, refractory castable mixes, fired refractory materials, ceramic shapes for use in refractory furnaces, refractory blocks, all not of metal
Chemicals and chemical materials used in industry, science and agriculture, namely, magnesium hydroxide, magnesium oxide, calcium oxide; chemicals used in deposition, namely, chemical source material for the deposition of thin films; magnesium oxide ceramics in particle and compacted form used as target material for sputtering, electron-beam deposition, evacuated deposition; ceramic materials in particle and compacted form used as target material for sputtering, electron-beam deposition, evacuated deposition; ceramic materials for industrial use in powder, particle, and granular form
Electrical insulating materials; ceramic electrical insulators
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