Patent ID: 6883563

Claim:
In a system for monitoring hand cleaning activity, the combination comprising: a plurality of hand cleaning agent dispensers, each dispenser having a housing and a unique identifier identifying that dispenser and distinguishing it from the others of said dispensers, and each dispenser having means for storing hand cleaning agent, and each dispenser having a port for filling the means for storing, and each dispenser having means operable, when actuated, to cause a dispensing event to dispense hand cleaning agent from said dispenser; a signal processor; a control station operable with said dispensers to receive said dispensers upon return to the control station by the users of the dispensers, re-fill said returned dispensers with said hand cleaning agent, and release said re-filled dispensers to users, said control station having: means coupled to said processor for reading and recording the dispenser identifier after return and admission of a dispenser to the control station; means for re-filling a dispenser with said agent; and means for reading a dispenser identifier and coupled to said processor for recording the amount of said agent used to re-fill the dispenser and recording the release of the re-filled dispenser from the control station.