ALEXANDRIA, Va., July 16 -- United States Patent no. 12,668,426, issued on June 30, was assigned to WALMART APOLLO LLC (Bentonville, Ark.).

"Systems and methods for transferring items using multiple robotic devices" was invented by Brian C. Roth (Bentonville, Ark.) and Paul E. Durkee (Centerton, Ark.).

According to the abstract* released by the U.S. Patent & Trademark Office: "There are provided systems and methods for picking up and transferring different types of merchandise. In one form, the system includes: a shopping facility with a merchandise order assembly area; an automated retrieval system to transport merchandise to the assembly area; a first robotic device at the assembly area for picking up and moving a first set of merchandi...