4. Telephonic communications
  5. Diagnostic testing, malfunction indication, or electrical...
  6. Including fault responsive disconnection of tested component

Michael A. Chack

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Bypass for telephone switching system

Telephonic communications – Centralized switching system – Call distribution to operator
Patent

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Digital bypass for telephone system

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Including fault responsive disconnection of tested component
Patent

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Method and apparatus for communicating information

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

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Method and apparatus for establishing communication between...

Electrical computers and digital processing systems: multicomput – Computer-to-computer session/connection establishing – Network resources access controlling
Reexamination Certificate

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Method and apparatus for servicing queued requests

Telephonic communications – Centralized switching system – Call distribution to operator
Reexamination Certificate

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Profile ID: LFUS-PAI-P-687812

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