ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,888, issued on March 18.
"Field-assembled water control flooring systems" was invented by James R. Metzger (Santa Ana, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Described herein are methods and systems for installing flooring systems that provide waterproofing or water-control capabilities. The flooring systems can utilize a gypsum material or any other self-leveling or concrete material along with a structural board or any other type of cement, wood, gypsum board, compressed board, cellulose fiberboard, sheathing board, or sheet metal material. The flooring systems include a waterproof coating applied to the structural boards to provid...