A device for the accurate measuring and for holding a discharge of liquid quantities is described as well as apparatus for charging liquid into the device from bulk storage. The measuring and dispensing device includes a liquid compartment, a dispensing nozzle, a carrying handle and a nozzle operating...http://www.google.es/patents/US4144915?utm_source=gb-gplus-sharePatente US4144915 - Liquid supply measuring and dispensing apparatus
