ALEXANDRIA, Va., July 16 -- United States Patent no. 12,359,742, issued on July 15, was assigned to Electronics Inc. (Mishawaka, Ind.).

"Controlling shot peening device via magnetic arrangement" was invented by Benjamin Wilson (Mishawaka, Ind.), Bryan Chevrie (South Bend, Ind.) and Jack Champaigne (Mishawaka, Ind.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A valve for regulating the flow of ferromagnetic peening materials, consisting of an arrangement of pole pieces, spacers, permanent magnets, and electrical coils. This arrangement uses an angular magnetic field to concentrate holding strength within the working gaps without sacrificing holding strength to the environment, increasing the valve's efficie...