ALEXANDRIA, Va., June 17 -- United States Patent no. 12,312,171, issued on May 27, was assigned to Walmart Apollo LLC (Bentonville, Ark.).

"Systems and methods for transporting containers" was invented by Elias Aljallis (Howard Beach, N.Y.), Vikranth Gopalakrishnan (North Brunswick, N.J.) and Ronald S. Kyslinger (York, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Among other things, a connection assembly for motion along a rail is disclosed. The connection assembly can include a first plate assembly, a second plate assembly, and a release assembly. The first plate assembly can include a first stop mounted to a first base. The second plate assembly can include a second stop mounted to a second base and ...