77802804
Aug 12, 2009
Oct 19, 2010
Computer hardware and software system for tracking people, objects and pets using GPS data on a device on the tracked people, objects and pets; Computer software for communicating with users of hand-held computers; Radio frequency identification (RFID) credentials, namely, cards and tags, and readers for radio frequency identification credentials; Radio frequency identification (RFID) tags; RFID readers
Electrical and Scientific Apparatus