4. Telephonic communications
  5. Substation or terminal circuitry
  6. Noise suppression

Jefferey P. Harold

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Integrated line inductor and line feed resistor

Telephonic communications – Subscriber line or transmission line interface
Reexamination Certificate

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Method and system for remote telephone calibration

Telephonic communications – Substation or terminal circuitry – Noise suppression
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2917086

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