U.S. federal trademark · Serial No. 86462715 · Reg. No. 5034148
Gas testing instruments; gas detectors for detecting the presence of gas; gas meters; pressure gauges; metering orifices, namely, orifice plates for metering or controlling the flow rate of gases; orifice adaptors, namely adaptors for changing the sizes of metering orifice plates for use with compressed gas cylinders; manometers; pressure regulators for cryogenic liquids
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