4. Telephonic communications
  5. Diagnostic testing, malfunction indication, or electrical...
  6. Testing of subscriber loop or terminal

Duane Oliver Bowker

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Call rerouter method and apparatus

Telephonic communications – Special services – Call waiting
Utility Patent

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Employing customer premises equipment in communications network

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Testing of subscriber loop or terminal
Patent

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Employing customer premises equipment in communications...

Telecommunications – Transmitter and receiver at separate stations – Having measuring – testing – or monitoring of system or part
Reexamination Certificate

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Profile ID: LFUS-PAI-P-371815

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