4. Telephonic communications
  5. Centralized switching system
  6. Switching controlled in response to called station...

Ronald D. Higgins

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Electronic step-by-step telephone switching system

Telephonic communications – Centralized switching system – Switching controlled in response to called station...
Patent

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Extended telephony functionality at end points

Multiplex communications – Pathfinding or routing – Combined circuit switching and packet switching
Reexamination Certificate

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Language for implementing telephony processing in end points

Telephonic communications – Audio message storage – retrieval – or synthesis – Multilingual system or operation
Reexamination Certificate

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Multimedia client for multimedia/hybrid network

Multiplex communications – Communication techniques for information carried in plural... – Combining or distributing information via time channels
Reexamination Certificate

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Multimedia client for multimedia/hybrid network

Multiplex communications – Communication techniques for information carried in plural... – Combining or distributing information via time channels
Patent

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Profile ID: LFUS-PAI-P-1216261

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