The method for identity verification employs biometric technology. Positioned at the center of the system is a stylus with any of a number of biometric properties or their combination or with one or more metric sensors, while the customer uses the stylus to sign his/her name, or even for writing anything....http://www.google.ca/patents/US6539101?utm_source=gb-gplus-sharePatent US6539101 - Method for identity verification
