U.S. federal trademark · Serial No. 79042767 · Reg. No. 3414803
Weighing, measuring, signaling, and checking apparatus for use in wells, namely, sensors for the determination of temperatures, positions and distances; oil and gas well downhole survey and measurement equipment; fiber optic cables for use in wells; data logging equipment for use in wells, namely, computers and data processors; oil and gas well downhole temperature measurement equipment; remote controls for controlling temperatures and pressure flow in oil and gas wells
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