The invention relates to a method and apparatus for locating and tracking persons by use of an implantable device. The described invention is an implantable device composed of biocompatible materials in all areas where contact with organic tissue occurs. The gross anatomic siting of the device includes...http://www.google.fr/patents/US20040174258?utm_source=gb-gplus-shareBrevet US20040174258 - Method and apparatus for locating and tracking persons
Method and apparatus for locating and tracking persons
Numéro de demande: 10/651,635 Numéro de publication: US 2004/0174258 A1 Date de dépôt: 29 août 2003 Brevet délivré: US7102508 ( Date de délivrance 5 sept. 2006)