U.S. federal trademark · Serial No. 73407073 · Reg. No. 319
Ceramic Materials for Use as a Filter and as a Substrate for Catalysts
Ceramic Materials for Use as an Electrical Insulator, Ceramic Materials for Use as a Thermal Insulation Layer for Slab or Cylindrically Shaped Building Parts
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.