4. Data processing: financial, business practice, management, or co
  5. Automated electrical financial or business practice or...
  6. Including point of sale terminal or electronic cash register

Michael S. Kupka

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System for keying protected electronic data to particular...

Electrical computers and digital processing systems: support – Data processing protection using cryptography
Reexamination Certificate

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System for prepayment of electronic content using removable...

Data processing: financial – business practice – management – or co – Automated electrical financial or business practice or... – Including point of sale terminal or electronic cash register
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2510375

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