4. Telephonic communications
  5. With usage measurement
  6. Call charge metering or monitoring

John Crescenti

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Call control strategy for high capacity telecommunication servic

Telephonic communications – With usage measurement – Call charge metering or monitoring
Patent

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Hierarchical backup and retrieval system

Data processing: database and file management or data structures – Database design – Data structure types
Reexamination Certificate

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Hierarchical systems and methods for performing data storage...

Data processing: database and file management or data structures – File or database maintenance
Reexamination Certificate

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Hierarchical systems and methods for performing data storage...

Data processing: database and file management or data structures – File or database maintenance
Reexamination Certificate

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Modular backup and retrieval system

Data processing: database and file management or data structures – Database design – Data structure types
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1173085

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