4. Multiplex communications
  5. Pathfinding or routing
  6. Combined circuit switching and packet switching

Douglas Petty

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Method and apparatus for originating voice calls from a data...

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

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Method and system for activity responsive telemarketing

Data processing: financial – business practice – management – or co – Automated electrical financial or business practice or... – Discount or incentive
Reexamination Certificate

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Method and system for voice call completion using...

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

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Smart card mating protocol

Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Particular communication authentication technique
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Profile ID: LFUS-PAI-P-2056013

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