U.S. federal trademark · Serial No. 77968305 · Reg. No. 3889163
Urethane asphalt barrier coating for use with chimney liners for corrosion prevention in flue gas chimneys
Borosilicate block barrier coating for use with chimney liners for corrosion prevention in flue gas chimneys
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.