A user monitoring system is for use in association with dispensers, particularly soap dispensers, and it may be used to monitor the use of dispensers for a number of different purposes including proof of compliance, training, disciplinary action or evidence of good practice. The monitoring system includes...http://www.google.com/patents/US20020175182?utm_source=gb-gplus-sharePatent US20020175182 - Self contained dispenser incorporating a user monitoring system
