Method and apparatus for the rental or sale, and secure...
Method and apparatus for tracking and controlling e-mail...
Method and apparatus for tracking and controlling e-mail...
Method and apparatus for tracking states of digital works
Method and apparatus for tracking status of resource in a...
Method and apparatus for transferring usage rights and...
Method and apparatus for transmitting and receiving a...
Method and apparatus for transmitting and receiving a...
Method and apparatus for transmitting and receiving a...
Method and apparatus for transmitting and receiving a...
Method and apparatus for transmitting and receiving a...
Method and apparatus for uniquely identifying a customer...
Method and apparatus for work management for facility...
Method and apparatus in a telecommunications system
Method and apparatus of secure authentication and electronic...
Method and apparatus to inhibit illicit copying from a...
Method and apparatus to provide secure purchase transactions...
Method and architecture for providing pervasive security to...
Method and arrangement for concealing true identity of user...
Method and arrangement for managing licenses