ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,543,708, issued on Feb. 10, was assigned to SIGNIFY HOLDING B.V. (Eindhoven, Netherlands).

"Illumination system" was invented by Aaron Benjamin Stephan (Chanhassen, Minn.) and Curtis Allen Leyk (Albany, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention provides an illumination system arranged to illuminate a space for rearing a flock of birds, wherein the illumination system comprises: a visible light source configured to emit visible light; an ultraviolet light source configured to emit ultraviolet light; a controller configured to: (i) entrain a circadian rhythm of the flock of birds by controlling the visible light source to emit the...