4. H - Electricity
  5. 04
  6. Q

Robert Petrelli

H - Electricity – 04 – Q

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Country: United States Of America

Automation of telephone operator assistance calls

H - Electricity – 04 – M
Patent

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Automation of telephone operator assistance calls

H - Electricity – 04 – M
Patent

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More efficient call handling for operator assistance calls

H - Electricity – 04 – Q
Patent

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Personalized information service system

H - Electricity – 04 – M
Patent

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Telephone information service system using digital and...

H - Electricity – 04 – M
Patent

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Profile ID: LFCA-PAI-P-1080538

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