ALEXANDRIA, Va., April 15 -- United States Patent no. 12,600,503, issued on April 14, was assigned to Surgeon Autonomous Vehicles and Equipment LLC (Arcadia, La.).

"Modular, configurable airframe system for heavy lift rotary wing UAV" was invented by Brian Riskas (Fort Worth, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "An unmanned aerial vehicle includes an airframe and a plurality of rotor assemblies operatively connected to the airframe and configured to propel the unmanned aerial vehicle. The air frame includes a plurality of tubes and a plurality of hardpoints. Each of the plurality of hardpoints may include a tubular protrusion for receiving one of the plurality of tubes. The unmanned aerial ve...