4. Telecommunications
  5. Radiotelephone system
  6. Security or fraud prevention

Jan Arwald

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Method and apparatus for executing secure data transfer in a...

Telecommunications – Radiotelephone system – Security or fraud prevention
Reexamination Certificate

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Method, system and device for establishing communication...

Multiplex communications – Communication techniques for information carried in plural... – Adaptive
Reexamination Certificate

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Portable communication apparatus having a man-machine...

Telecommunications – Radiotelephone system – Security or fraud prevention
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2805389

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