Method and apparatus for autonomous validation of issued...

Method and apparatus for autonomous validation of issued...

Method and apparatus for bar code data interchange

Method and apparatus for bar code data interchange

Method and apparatus for bar code data interchange

Method and apparatus for biometric verification with data...

Method and apparatus for card authentication using display of sy

Method and apparatus for certifying services obtained using a po

Method and apparatus for charging for printing operations on...

Method and apparatus for check stack visualization

Method and apparatus for checking out items which do not have a

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 computer-aided shopping

Method and apparatus for computer-readable purchase receipts...

Method and apparatus for controlling a machine

Method and apparatus for controlling bill conveyance in automati

Method and apparatus for correlating photographic film