ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,296, issued on Jan. 13, was assigned to ROAM ROBOTICS INC. (San Francisco).

"User interface and feedback systems and methods for a mobile robot" was invented by Kevin Conrad Kemper (San Francisco), Kyle Kaveny (San Francisco), Kyle Motter (Fort Myers, Fla.), Robert Stuart (Arcata, Calif.), Aaron Peck (Minneapolis), Kris Li (San Francisco), Linus Park (Pacifica, Calif.), Ashley Swartz (Daly City, Calif.) and Timothy Alan Swift (Walnut Creek, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An exoskeleton system comprising at least one leg actuator unit configured to be coupled to leg of a user, the leg actuator unit including: an upper arm and a...