U.S. federal trademark · Serial No. 79235375 · Reg. No. 5742195
Nitrogen monoxide; nitrogen dioxide; liquid sulfur dioxide; carbon monoxide; oxygen * for industrial purposes *; hydrogen chloride; hydrogen; ammonia for industrial purposes; chlorine; fluorine; silicon; carbon dioxide, namely, dry ice, and liquid ice; methane; nitrous oxide for industrial use; hydrogen sulfide; industrial chemicals, namely, methyl mercaptan; toluene
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