An add-on module provides extrinsic management functionality to legacy and other devices. Contemplated modules include: (a) a state agent that provides at least one of the MILARRS function, and (b) a product agent that communicates with the device using at least one serial interface. Implementations...http://www.google.com/patents/US20060156054?utm_source=gb-gplus-sharePatent US20060156054 - Milarrs systems and methods
