An apparatus for the simultaneous dispensing of fluids from multiple containers in a pre-determined ratio. The apparatus has a pump, at least two fluid containers, a fluid transfer device including dip tubes to transfer fluid from the containers to the pump, a venting system that prevents the creation...http://www.google.com/patents/US5398846?utm_source=gb-gplus-sharePatent US5398846 - Assembly for simultaneous dispensing of multiple fluids
