U.S. federal trademark · Serial No. 87041650
engineered precast refractory shapes not of metal for use in the heat processing industry by glassmakers, aluminum and steel foundries, and petrochemical manufacturers, including refractory shapes of high purity alumina, alumina chrome, andulsite, mullite, sillimanite, silica, Alumina-Zirconia-Silica, zircon, and fireclay
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.