ALEXANDRIA, Va., July 28 -- United States Patent no. 12,693,677, issued on July 28, was assigned to Wing Aviation LLC (Palo Alto, Calif.).

"Initial location determination of uncrewed aerial vehicles from uncalibrated location observations" was invented by Marcus Hammond (Redwood City, Calif.), Jeremie Gabor (Mountain View, Calif.) and Reia Cho (San Francisco).

According to the abstract* released by the U.S. Patent & Trademark Office: "An uncrewed aerial vehicle (UAV) may be configured to hover above a particular charging pad within a portion of a cluster of charging pads for UAVs. The cluster may include the charging pads arranged in a layout and fiducial markers distributed at positions across the layout. While hovering above the particu...