ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,539,000, issued on Feb. 3, was assigned to Societe des Produits Nestle S.A. (Vevey, Switzerland).

"Ergonomic whisk for food processing" was invented by Samer Abdo (Lonay, Switzerland), Da Mi Byun (Lausanne, Switzerland), Sylvain DeCastel (Remaufens, Switzerland), Bertrand Guyon (Saint Point Lac, France), Johan Nieuwendijk (Vienna), Mohamed Raad (Lausanne, Switzerland), Martino Ruggiero (Lonay, Switzerland), Laurent Seydoux (Gillarens, Switzerland) and Wolfgang Tuider (Oberwart, Austria).

According to the abstract* released by the U.S. Patent & Trademark Office: "A machine (1) for stirring a liquid food substance has: a container (10) delimiting a cavity (11) with a bottom (12) and a p...