ALEXANDRIA, Va., June 2 -- United States Patent no. 12,646,866, issued on June 2, was assigned to Hubbell Inc. (Shelton, Conn.).

"Electrical wiring devices with screwless wire terminals" was invented by Thomas L. Scanzillo (Monroe, Conn.), Denny Lo (Bethlehem, Conn.) and Edward Bazayev (Kew Gardens, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Electrical wiring devices that incorporate screwless wire terminal connections are described. The electrical wiring devices include for example, single and duplex blade-type electrical receptacles, blade-type locking electrical receptacles, single or multi-pole electrical switches, combination switches and blade-type receptacles, blade-type plugs for electrical ...