ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,561,633, issued on Feb. 24, was assigned to Express Scripts Strategic Development Inc. (St. Louis).

"Unmanned aerial vehicle item delivery" was invented by Timothy B. Clise (Howell, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and systems for medication delivery using unmanned aerial vehicles (UAVs) are provided. The methods and systems: determine a target destination for a regional payload consisting of one prescription drug item, by a server communicatively coupled to: (i) a distance UAV comprising a fixed-wing aircraft configured to travel point-to-point to a regional hub, and (ii) a plurality of local UAVs comprising rotary wing, mul...