85930523
May 13, 2013
Jan 20, 2015
HALLIBURTON ENERGY SERVICES INC.
Active Trademark
Modular electronic control system, namely, consisting of software and telemetry devices used to selectively address and operate multiple internal control valves and other hydraulically or electronically activated downhole tools used for drilling, measurement, and transmission of data for oil and gas well drilling operations
Electrical and Scientific Apparatus