4. Communications: electrical
  5. Wellbore telemetering or control
  6. Including particular sensor

J. Christopher Hetmaniak

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Advanced coring apparatus and method

Boring or penetrating the earth – With signaling – indicating – testing or measuring – Signaling or indicating condition of cutting in cuttings...
Reexamination Certificate

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Downhole buried utility sensing and data transmission system...

Communications: electrical – Wellbore telemetering or control – Including particular sensor
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2155754

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