A system is described for monitoring the geographical location of a subscriber's mobile cellular telephone, and for providing the location information to an authorized user through the world wide web. The geographical location of the subscriber's mobile cellular telephone is tracked using registration...http://www.google.de/patents/US6716101?utm_source=gb-gplus-sharePatent US6716101 - System and method for monitoring the location of individuals via the world wide web using a wireless communications network
