U.S. federal trademark · Serial No. 79141781 · Reg. No. 4650966
Apparatus for exchanging heat and energy, namely, packing elements made of metal, plastic, or ceramics for chemical engineering, especially for material and/or heat exchange columns and towers; apparatus for exchanging heat and energy, namely, built-in components of material and/or heat exchange columns and towers made of metal, plastic, or ceramics for chemical engineering, especially for material and/or heat exchange columns and towers; apparatus for exchanging heat and energy, namely, parts and components for the aforementioned packing elements and components
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.