Facilitating a transaction in electronic commerce
Facilitating electronic exchange of proprietary information
Factory-installed software purchase verification key
Fee determination device
Fee imposition system for application software
File sharing methods and systems
Financial card system, communications device, authentication...
Financial transactions with dynamic personal account numbers
Flexible licensing architecture in content rights management...
Four-party credit/debit payment protocol
Four-party credit/debit payment protocol
Franking machine and operating method thereof
Franking method and apparatus
Franking method and mail transport system with central...
Franking system with distributed metering