ALEXANDRIA, Va., May 12 -- United States Patent no. 12,626,211, issued on May 12, was assigned to Walmart Apollo LLC (Bentonville, Ark.).

"Systems and methods for last-mile delivery assignment" was invented by Xi Chen (Sunnyvale, Calif.), Minghui Liu (San Bruno, Calif.), Yiren Ye (Sunnyvale, Calif.), Hengchao Wang (Santa Clara, Calif.), Yuan Wang (San Francisco), Jing Huang (San Jose, Calif.), Mingang Fu (Palo Alto, Calif.) and Mohit Agarwal (Mountain View, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods of route optimization are disclosed. An adjustment engine receives a plurality of driver-trip pairs each including a driver selected from a plurality of drivers and a trip selected ...