4. Data processing: database and file management or data structures
  5. Database design
  6. Data structure types

Southwestern Bell Telephone Company

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Apparatus and method for facilitating service management of...

Telephonic communications – Special services
Reexamination Certificate

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Apparatus and method for facilitating service management of...

Telephonic communications – Special services
Reexamination Certificate

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Apparatus and method for testing digital communications circuits

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of data transmission
Patent

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Device for inducing a wink in a telephone system

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of centralized switching system
Patent

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Device for measuring echo return loss in a two-two wire line sys

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of hybrid or echo suppressor or canceller
Patent

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Profile ID: LFUS-PAI-P-199495

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