4. Data processing: financial, business practice, management, or co
  5. For cost/price
  6. Postage meter system

David L. Rich

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Data transfer module and system using same

Multiplex communications – Channel assignment techniques – Only active channels transmitted
Reexamination Certificate

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Loss of funds prevention for postage meters and personal...

Typewriting machines – Including selection of type-face by... – Including error detection
Reexamination Certificate

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Method for acquiring a customer for online postage metering

Data processing: financial – business practice – management – or co – Business processing using cryptography – Usage protection of distributed data files
Reexamination Certificate

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System and method for instant online postage metering

Data processing: financial – business practice – management – or co – For cost/price – Postage meter system
Reexamination Certificate

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System and method for instant online postage metering

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