ALEXANDRIA, Va., July 30 -- United States Patent no. 12,372,859, issued on July 29, was assigned to Opti-Logic Corp. (Tullahoma, Tenn.).

"Illumination apparatus and method of controlled beam divergence for aerial vehicles" was invented by Jonathan Murphy (Tullahoma, Tenn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An illumination apparatus comprises a housing configured to be coupled to an aerial vehicle. Coupled to the housing are a light source and a lens system at least partially covering the light source and configured to adjust an angular divergence of light therefrom. At least one position sensor is positioned within the housing and generates signals corresponding to an altitude of the illumination...