U.S. federal trademark · Serial No. 71270864 · Reg. No. 0264913
LIQUID AND GAS METERS, VENTURI TUBES, PITOT TUBES, INDICATING RATE GAUGES, RECORDING RATE GAUGES, COMBINATION RECORDING AND INDICATING RATE GAUGES, GAUGES FOR INDICATING AND RECORDING THE LOSS OF HEAD THROUGH A FILTER AND RATE OF FLOW OR BOTH, GAUGES INDICATING OR RECORDING RATE OF FLOW AND TOTALIZING THE FLOW, MANOMETERS, DEVICES FOR MEASURING CHEMICALS AND FEEDING THEM PROPORTIONATELY TO A FLOWING STREAM, AND PITOT RECORDERS
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