ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,528,321, issued on Jan. 20, was assigned to Pebble Mobility Inc. (Fremont, Calif.).

"Systems and methods for positioning one or more coupling sensors on an autonomous electric-powered trailer" was invented by Bingrui Yang (Los Altos, Calif.) and Stefan Solyom (Los Altos, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A trailer comprises a trailer chassis, a trailer enclosure supported by the trailer chassis, a trailer hitching assembly coupled to the trailer chassis. The trailer hitching assembly comprises a trailer coupler, and a tethering sensor configured to sense in a direction toward a tethering nexus of a tow vehicle. The trailer further co...