ALEXANDRIA, Va., July 30 -- United States Patent no. 12,374,115, issued on July 29, was assigned to Walmart Apollo LLC (Bentonville, Ark.).

"Systems and methods of using cached images to determine product counts on product storage structures of a product storage facility" was invented by Zhaoliang Duan (Frisco, Texas), Benjamin R. Ellison (San Francisco), Lingfeng Zhang (Dallas), Avinash M. Jade (Bangalore, India), Raghava Balusu (Achanta, India), Mingquan Yuan (Flower Mound, Texas) and Zhichun Xiao (Plano, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods of detecting and recognizing products on product storage structures of a product storage facility include an image capture device t...