U.S. federal trademark · Serial No. 73357191
RECIPROCATING INTERNAL COMBUSTION ENGINES FOR CONTINUOUS DUTY APPLICATIONS, NAMELY, SLOW-SPEED, SMALL HORSEPOWER, SPARK-IGNITION ENGINES ADAPTED TO OPERATE ONNATURAL GAS FUEL, FOR OILFIELD PUMPING OPERATIONS, AND FOR RECIPROCATING GAS COMPRESSORS FOR OILFIELD APPLICATIONS
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