ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,390,023, issued on Aug. 19, was assigned to Walmart Apollo LLC (Bentonville, Ark.).

"Backstop for shelving unit" was invented by Christopher Paul Milam (Cave Springs, Ark.), Ronald Andrew March (Bentonville, Ark.), Nancy Lopez-Arroyo (Rogers, Ark.), Justin Lee Maloney (Rogers, Ark.), Katie Marie Lafferty (Bentonville, Ark.) and Clancy Monroe Milam (Cave Springs, Ark.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A backstop configured to be implemented on a shelf. The backstop includes a bottom portion, a back portion in continuous communication with a back edge of the bottom portion, and a plurality of prongs disposed along a front edge of the bottom p...