U.S. federal trademark · Serial No. 97386750 · Reg. No. 7603112
Pistons for positive displacement reciprocating pumps for use in drilling wells; Valves for pumps used in drilling wells; Valves being parts of machines used in drilling wells; Valves being parts of mud pump machines used in drilling wells
Non-metal gaskets for use in mud pumps used in drilling wells
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.