4. Communications: electrical
  5. Wellbore telemetering or control
  6. Using a specific transmission medium

Don Herrick Johnson

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Acoustic telemetry systems and methods with surface noise...

Communications: electrical – Wellbore telemetering or control – Using a specific transmission medium
Reexamination Certificate

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Directional acoustic telemetry receiver

Communications – electrical: acoustic wave systems and devices – Wellbore telemetering
Reexamination Certificate

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Joint source-channel coding for multicarrier modulation

Communications: electrical – Continuously variable indicating – Using a particular modulation
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2419240

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