U.S. federal trademark · Serial No. 73317907 · Reg. No. 733
Artificial Stones and More Particularly Synthetically Produced, Highly Refractory Bricks Used in Industrial Furnaces at High Temperatures, in Electrical Night Storage Heaters, and as Refractory Insulating Material
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.