4. Telephonic communications
  5. With check operated control
  6. Fraud or interference prevention

Benny J. Pruden

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Method and apparatus for electronic payphone open switch interva

Telephonic communications – With check operated control – Fraud or interference prevention
Patent

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Printed media products including data files provided in...

Facsimile and static presentation processing – Static presentation processing – Attribute control
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1459898

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