U.S. federal trademark · Serial No. 99054049
Metering devices, namely, component parts of flow verification meters in the form of automatic divider valves and automatic injectors, for lubrication systems for oilfield pumping operations; Pressure gauges and flow verification meters for lubrication systems for oilfield pumping operations
Lubrication systems being a component part of oilfield oil-well pumping machines comprised of pumps, valves for pumps, lubrication filters, metal reservoirs for holding drilling lubricants, pressure gauges and flow verification meters; Oil-well pumping machine pumps, lubrication filters and valves for pumps, all for lubrication systems for oilfield pumping operations
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