ALEXANDRIA, Va., June 17 -- United States Patent no. 12,310,535, issued on May 27, was assigned to Conagra Foods RDM Inc. (Chicago).

"Formulation and dispenser systems for beverage foam toppings" was invented by Samantha Lindsey (Omaha, Neb.) and Steven R. Baker (Omaha, Neb.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Formulation and dispenser systems create dairy based toppings for beverages. The dispensers include a container, valve, and an actuator for the valve. The formulations include a liquid product and a propellant. The liquid product includes a certain percentage of milkfat provided, for example, by heavy cream, skim milk, nonfat dry milk, sweeteners, and an emulsifier. The propellant is nitrous...