ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,725, issued on Sept. 23, was assigned to Georgia-Pacific Gypsum LLC.

"Construction panels having an integrated drainage mechanism, and associated assemblies and methods" was invented by John Chamberlin (Decatur, Ga.) and Vincent B. Thomas (Bogart, Ga.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a structural sheathing panel with an integrated drainage mechanism, comprising: a structural panel core; a plurality of rows, each row of the plurality of rows comprising raised elements deposited on an external surface of the panel and spaced from one another, each of the raised elements having an elongated, linear profile which has a longit...