U.S. federal trademark · Serial No. 85813644 · Reg. No. 4358142
fiber optic sensors for use in measuring and monitoring acoustic activity in the oil and gas sector, enhanced geothermal recovery, and vibration detection; fiber optic sensing systems comprised primarily of acoustically sensitive fiber optic cables and fiber optic transducers for use in oil and gas, enhanced geothermal recovery, and vibration detection
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