74366387
Mar 9, 1993
Nov 2, 1993
Active Trademark
building materials; namely, refractory bricks and refractory structures; namely, suspended refractory walls and roofs
Nonmetallic Building Materials[ services; namely, engineering and design of machinery, furnaces, refractories, and refractory structures including suspended refractory walls and roofs, such as related to the glass industry ]
Computer and Scientific