ALEXANDRIA, Va., June 2 -- United States Patent no. 12,644,268, issued on June 2, was assigned to Kohler Co. (Kohler, Wis.).

"Fluidics devices for plumbing fixtures" was invented by Clayton C. Garrels (Kohler, Wis.), William C. Kuru (Plymouth, Wis.), William Kalk (Sheboygan, Wis.) and Randal S. Graskamp (Sheboygan, Wis.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A toilet assembly includes a toilet body and a fluidic oscillator. The toilet body defines a toilet bowl that is configured to receive a volume of fluid therein. The fluidic oscillator is coupled to the toilet body in a rim area of the toilet bowl. The fluidic oscillator is positioned to direct a fluid onto an inner surface of the toilet bowl. Th...