4. Electrical computers and digital processing systems: support
  5. System access control based on user identification by...

Warren Wan

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Centrally controllable instant messaging system

Electrical computers and digital processing systems: support – System access control based on user identification by...
Reexamination Certificate

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Integrated instant messaging, routing and telephone services...

Telephonic communications – Reception of calling information at substation in wireline...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-3069132

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