ALEXANDRIA, Va., April 21 -- United States Patent no. 12,609,221, issued on April 21, was assigned to S&C Electric Co. (Chicago).

"Plug mounted surge arrester" was invented by Thomas S. Kelley (Highland Park, Ill.), Mark Francis Muir (Skokie, Ill.), Andrew B. Berman (Racine, Wis.), Xin Guo Zhu (Chicago) and Rahul Jain (Evanston, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A switch assembly including a switch and an interface physically coupled to the switch and configured to be physically coupled to an electrical component, such as a transformer. The switch assembly also includes an interface having electrical hardware electrically coupled to the switch and configured to be electrically coupled to th...