U.S. federal trademark · Serial No. 77445115 · Reg. No. 3543060
Insulating refractory materials
Refractory blocks, not of metal; Refractory bricks, not of metal; Refractory castable mixes, not of metal; Refractory furnace linings, not of metal; Refractory mortars; Refractory shapes, not of metal
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.