ALEXANDRIA, Va., April 15 -- United States Patent no. 12,601,182, issued on April 14.

"Decorative quoin installation and illumination system and method" was invented by John Patrick O'Brien (Woodland Hills, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A prefabricated decorative quoin system includes an elongated edge column attachable to an existing wall corner. The elongated edge column may be formed by a plurality of elongated edge members interconnected end-to-end. A plurality of prefabricated quoin panels are attached to the edge column in vertical stacked relation. A lighting array disposed relative to an inner surface of the quoin panels may be used to illuminate the quoin panels."

The patent...