The amount of beverage dispensed from each of a plurality of reservoirs in units at a plurality of remote locations, such as hotel rooms, is controlled and indicated. A central console, such as a hotel front desk, includes a keyboard for deriving data and command signals, as well as a data processor...http://www.google.fr/patents/US4237536?utm_source=gb-gplus-shareBrevet US4237536 - System for indicating and controlling dispensing of beverages
System for indicating and controlling dispensing of beverages
