4. Data processing: financial, business practice, management, or co
  5. Business processing using cryptography
  6. Secure transaction

Hans D. Buehler

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Electronic purchasing method and apparatus

Data processing: financial – business practice – management – or co – Business processing using cryptography – Secure transaction
Reexamination Certificate

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Electronic purchasing method and apparatus for performing...

Data processing: financial – business practice – management – or co – Business processing using cryptography – Secure transaction
Reexamination Certificate

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Electronic purchasing method and apparatus for performing...

Data processing: financial – business practice – management – or co – Business processing using cryptography – Secure transaction
Reexamination Certificate

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Method and system for completing transactions involving...

Data processing: financial – business practice – management – or co – Automated electrical financial or business practice or... – Electronic shopping
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2860225

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