U.S. federal trademark · Serial No. 78159332
Hydraulic and electronic equipment for gathering, storing,and transmitting information inside down-hole tubular equipment such as drill pipe, well casing, mud motors, reamers, jars, turbines, drill bits, pumps, hydraulic hammers, and bottom hole assemblies in a drill string
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.