ALEXANDRIA, Va., June 17 -- United States Patent no. 12,312,085, issued on May 27, was assigned to Performance Drone Works LLC (Huntsville, Ala.).

"Mechanical release device for unmanned aerial vehicle drop-payload" was invented by Dylan Thomas Hamm (Boise, Idaho), Adam Daigler Wetzel (Huntsville, Ala.), Florent Arnoux (Huntsville, Ala.), Taylor Reed Schoonover (Cologne, Minn.) and Matthew A. Hernandez (Madison, Ala.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An Unmanned Aerial Vehicle (UAV) mechanical release device includes a quick-release UAV-attachment mechanism to attach the UAV mechanical release device to a UAV and a payload latch mechanism to secure and release a drop-payload from the UAV mechani...