U.S. federal trademark · Serial No. 74647503 · Reg. No. 306777
educational services, namely, conducting on-site classes, seminars and workshops in the field of helium gas handling, safety and service and the distributing of course materials in connection therewith
transportation of gas cylinders by truck, train and air; rental of gas cylinders
gas regulators for cylinders for helium gas; valves made of metal for helium gas, namely, flow control valves
helium gas and helium gas mixtures
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