A system and method for compiling a service history for a machine. A transmitter is attached to a serviceable part for a machine. When the part is installed, the transmitter relays an identification which is received by a receiver preferably attached to the machine. A processor stores the identification...http://www.google.com.au/patents/US6840445?utm_source=gb-gplus-sharePatent US6840445 - System and method for compiling a machine service history
