U.S. federal trademark · Serial No. 71457090 · Reg. No. 0403472
Refractory Blocks and Tile Employed for the Construction of Furnace Walls and Arches, Metal Masonry Holding and Supporting Lugs, and Frames for Furnaces and Arch Construction
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.