U.S. federal trademark · Serial No. 78142895
Engineering services, namely providing assistance in the use of well control apparatus and tools for downhole oil field equipment for oil, gas, water, or injection wells, namely services which include the radial expansion of downhole tubulars, namely liners, liner hangers, casing, packers, bridge plugs, sand screens, and connectors used therewith, and services which include the use of tubular expansion actuation devices, namely hydraulic and mechanical expanders, namely swedges, pistons, and cones
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