BROWNLINE
Measuring and navigation apparatus for conducting and controlling drilling rigs for underground drilling, namely, inertial measurement units, optical gyroscopes, accelerometers, pressure sensors, strain gauges, magnetic field sensors, mechanical dynamically-tuned gyroscopes, radio frequency direction finders, global positioning systems, length measuring gauges, and dead-reckoning systems; software for conducting and controlling drills and drilling rigs
Registered · October 17, 2018 · 79246536 ·