U.S. federal trademark · Serial No. 74725877 · Reg. No. 2091909
stone and brick for construction; refractory and heat-resistant stone; insulating brick and plates; refractory castable mixes for use in the manufacture of fire-proof linings; refractory mortar and cement
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.