ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,278, issued on March 18, was assigned to BAYER AG (Leverkusen, Germany).

"Unmanned aerial vehicle" was invented by Malcolm Faers (Dusseldorf, Germany) and Andrew Charles Chapple (Langenfeld, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to an unmanned aerial vehicle (UAV) for agricultural weed management. The UAV comprises a control and processing unit (20), and a camera (30). The control and processing unit is configured to control the UAV to fly to a location inside the canopy of a crop and below the vertical height of the crop and/or between a row of a plurality of crops and below the vertical height of the...