ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,391,455, issued on Aug. 19.
"Device for mixing and dispensing a personalized toothpaste" was invented by Joseph B. Feuchtwanger III (South Setauket, N.Y.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A device for blending and dispensing a personalized toothpaste includes a housing, including a first retaining chamber and a second retaining chamber, configured to load a primary cartridge and a secondary cartridge respectively therein at a predetermined rotational orientation, to align the cartridges in fluid connection with a nozzle through which the toothpaste is dispensed. The primary cartridge contains base components, and the secondary cartridge inc...