4. Registers
  5. Systems controlled by data bearing records
  6. Credit or identification card systems

Roland Sawatzki

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Chip card, method and system for using and paying for services

Registers – Systems controlled by data bearing records – Credit or identification card systems
Patent

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Method for the acceptance of calling charges for individual...

Telephonic communications – With check operated control – Other than coin
Reexamination Certificate

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Method of accepting charges in individual connections and a...

Telephonic communications – With check operated control – Other than coin
Reexamination Certificate

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Profile ID: LFUS-PAI-P-348981

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