ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,552,592, issued on Feb. 17, was assigned to Aptar Radolfzell GmbH (Radolfzell, Germany).
"Liquid dispenser" was invented by Hubertus Pfeffer (Eigeltingen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A droplet dispenser for dispensing cosmetic or pharmaceutical liquids in the form of individual droplets, having a medium reservoir with a first and second medium chambers, which are isolated from one another for separately storing two media. The medium chambers are connectable to produce a combined liquid. The droplet dispenser has a discharging opening and, downstream of the discharging opening, a droplet forming contour in order to create dropl...