The object of the invention is to provide a method and a dispenser in which, compared with known dispensers, the fluid path design is simplified. The dispenser has a medium reservoir (19) containing a medium to be discharge during one discharge stroke of the dispenser (11). For this purpose a feed fluid...http://www.google.de/patents/US6877672?utm_source=gb-gplus-sharePatent US6877672 - Method and dispenser for mixing and discharging media