4. Telecommunications
  5. Transmitter and receiver at same station
  6. Radiotelephone equipment detail

Andrew Petrov

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Secure PIN entry device for mobile phones

Telecommunications – Radiotelephone system – Security or fraud prevention
Reexamination Certificate

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System and method for mobile transactions using the bearer...

Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate

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Profile ID: LFUS-PAI-P-3120285

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