ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,472,521, issued on Nov. 18, was assigned to APTAR RADOLFZELL GMBH (Radolfzell, Germany).
"Liquid dispenser with two liquid reservoirs" was invented by Timo Jung (Radolfzell, Germany), Hubertus Pfeffer (Eigeltingen, Germany) and Lenz Schmid (Constance, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid dispenser for dispensing a cosmetic or pharmaceutical liquid produced by mixing two starting liquids. The liquid dispenser has at least two liquid reservoirs for holding the two starting liquids and a discharge opening, and at least one pump device by which liquid can be delivered from the liquid reservoirs to the discharge opening. The dispen...