4. Telephonic communications
  5. Special services
  6. Service trigger

James Tjin-Tek Chang

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Methods and systems for providing triggerless intelligent...

Telephonic communications – Special services – Service trigger
Reexamination Certificate

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Methods and systems for triggerless screening of wireless...

Multiplex communications – Communication techniques for information carried in plural... – Combining or distributing information via frequency channels
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2858132

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