4. Telephonic communications
  5. Plural exchange network or interconnection

Michael Patrick Ryan

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Power supply, and apparatus and method for operating a power...

Electrical transmission or interconnection systems – Plural supply circuits or sources – Substitute or emergency source
Reexamination Certificate

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System and method for adapting remote access telephony...

Telephonic communications – Plural exchange network or interconnection
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2981240

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