ALEXANDRIA, Va., July 16 -- United States Patent no. 12,669,820, issued on June 30, was assigned to Caterpillar Paving Products Inc. (Brooklyn Park, Minn.).

"System and method for responding to obstacles in worksites using autonomous machines" was invented by Nathaniel S Doy (Maple Grove, Minn.), John L. Marsolek (Watertown, Minn.), Robert J. McGee (Peoria, Ill.) and Sangameshwar Sonth (Dunlap, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system and method for responding to objects encountered by autonomous machines at a worksite. Sensors at the worksite gather sensor data that may be used by one or more processors to identify an object or obstacle at the worksite and an associated location. The sen...