ALEXANDRIA, Va., July 16 -- United States Patent no. 12,669,821, issued on June 30, was assigned to Robust AI Inc. (San Carlos, Calif.).

"Systems and methods for a robotic cart" was invented by Rodney Allen Brooks (San Francisco), Anthony Sean Jules (Hillsborough, Calif.) and Leila Takayama (Palo Alto, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "This application describes systems, devices, computer readable media, and methods for the function and operation of robotic carts. A robotic cart may include a base component configured for the receipt of a payload, a battery unit, and a mobility apparatus. The robotic cart may include a handlebar component coupled with the base component. The handlebar uni...