4. Telephonic communications
  5. Telephone line or system combined with diverse electrical...
  6. Remote indication over telephone line

Douglas Wallace Todd

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Apparatus, system, and method for authorized remote access...

Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Particular communication authentication technique
Reexamination Certificate

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Correlating power signatures with automated equipment

Data processing: measuring – calibrating – or testing – Measurement system – Performance or efficiency evaluation
Reexamination Certificate

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Correlating power signatures with automated equipment

Data processing: measuring – calibrating – or testing – Measurement system – Performance or efficiency evaluation
Reexamination Certificate

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Method and apparatus for providing information to a subscriber o

Telephonic communications – Telephone line or system combined with diverse electrical... – Remote indication over telephone line
Patent

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Systems for power interruption detection

Telephonic communications – Telephone line or system combined with diverse electrical... – Remote indication over telephone line
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Profile ID: LFUS-PAI-P-1596492

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