U.S. federal trademark · Serial No. 98451713 · Reg. No. 1490588
Carbon; Oxygen for industrial purposes; Nitrogen; Hydrogen; Sulfur; Phosphorus; Carbon dioxide for industrial purposes; Argon; Chlorine; Sodium; Calcium; Magnesium, namely, magnesium phosphate, magnesium sulphate, magnesium salts, magnesium oxide, magnesium hydroxide, magnesium chloride, and magnesium carbonate
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