85316149
May 9, 2011
Electronic down hole drill string and completion components used in oil, gas, or geothermal well exploration and production, namely, a sub assembly primarily comprised of inductive transformers, power sources, electrical transducers, and electronic components, namely, inductive coil, armor coaxial cable, and printed circuit board, for gathering, storing, and transceiving data; for amplifying and restoring a carrier signal, and for reporting down hole conditions via a down hole network
Electrical and Scientific Apparatus