ALEXANDRIA, Va., July 21 -- United States Patent no. 12,686,537, issued on July 21, was assigned to The Procter & Gamble Co. (Cincinnati).

"Liquid dispenser for an inverted container" was invented by Guy Hubert Stephane Sylvain Culeron (Forest, Belgium), Thierry Christian Francis Dagnelie (Waterloo, Belgium) and Vincent Hubert Monique De Wilde (Holsbeek, Belgium).

According to the abstract* released by the U.S. Patent & Trademark Office: "The need for a liquid dispenser and inverted container that provides for improved dosing of liquid compositions, especially at low dosage volumes, while being more resistant to leakage, even for low viscosity liquids, is met by incorporating an impact resistance system into the dispenser, the impact resi...