ALEXANDRIA, Va., June 18 -- United States Patent no. 12,325,521, issued on June 10, was assigned to Nant Holdings IP LLC (Culver City, Calif.).

"Drone-based payload management" was invented by Patrick Soon-Shiong (Los Angeles), John Wiacek (Culver City, Calif.) and Nicholas J. Witchey (Laguna Hills, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A drone-based payload management system includes at least one drone and a drone controller, the drone(s) having first and second payload bays configured to store first and second payloads, respectively. The drone controller may be coupled with the payload bays and may comprise at least one processor and at least one computer readable memory. The memory(ies) ma...