U.S. federal trademark · Serial No. 75110789 · Reg. No. 2115406
insulation and insulating systems consisting of insulated ductwork, dampers, diverters, T-elbows, diffusers, transition ducts, stacks, silencers, expansion joints and piping, all sold as a unit, for use in power plants, pulp and paper mills, and petrochemical and industrial plants
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