4. Telephonic communications
  5. Supervisory or control line signaling
  6. Substation originated

Oliver W. Gamble

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Method and system for remotely accessing and controlling...

Telephonic communications – Telephone line or system combined with diverse electrical... – Remote control
Reexamination Certificate

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Method and system for routing calls to desire discount...

Telephonic communications – Supervisory or control line signaling – Substation originated
Reexamination Certificate

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Profile ID: LFUS-PAI-P-3011745

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