It is possible to accurately and conveniently determine the origin, contents, position, and/or destination of a reusable container (such as a tote or bin, particularly for a manufacturing process) by applying a permanent adhesive label with embedded programmable RFID to the reusable container at a location...http://www.google.se/patents/US6520544?utm_source=gb-gplus-sharePatent US6520544 - Radio frequency labels on reusable containers