U.S. federal trademark · Serial No. 75247992 · Reg. No. 39639075
gases and gas mixtures, gases and gas mixtures in liquid or dissolved form, and high purity gases and gas mixtures, all for use in general industry, scientific research, and photography; gases and gas mixtures, namely, oxygen, hydrogen, nitrogen, liquid nitrogen, carbon dioxide, liquid helium, nitrogen monoxide, ammonia, ozone, ethylene and mixtures thereof, for agricultural, horticultural, and forestry use; gases for laboratories; test gases and test gas mixtures for use in scientific research and industrial processes; oxygen, carbon dioxide, nitrogen, argon, hydrogen, helium in single gas or gas mixtures, all for scientific research purposes
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