Method and apparatus for certifying services obtained using a po

Method and apparatus for checking the authenticity of individual

Method and apparatus for combining data for multiple...

Method and apparatus for communication for a data-storing token

Method and apparatus for computer login security using RFID...

Method and apparatus for controlling a machine

Method and apparatus for customer loyalty and marketing analysis

Method and apparatus for detecting and investigating...

Method and apparatus for dispensing flexible cards

Method and apparatus for distributing currency

Method and apparatus for distributing currency

Method and apparatus for distributing currency

Method and apparatus for distributing currency

Method and apparatus for efficient data transmission from a tag

Method and apparatus for electronic cash transactions

Method and apparatus for enhanced transaction card compression e

Method and apparatus for evaluating units stored on credit cards

Method and apparatus for gaining access to a system having contr

Method and apparatus for generating a ticket including an...

Method and apparatus for generating gift certificates