US Patent Issued to United States Gypsum on May 20 for "Constrained layer floor and wall damping systems using high-density reinforced cement panels" (Illinois Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,305,386, issued on May 20, was assigned to United States Gypsum Co. (Chicago).

"Constrained layer floor and wall damping systems using high-density reinforced cement panels" was invented by Frank Pospisil (Oak Park, Ill.) and Andrew Schmidt (Evanston, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method is provided for assembling a wall system to an existing frame for a wall, floor or roof, including: attaching a first dense, fiber-reinforced cement panel to the frame, the panel having an interior surface facing the frame, and an exterior surface; applying a layer of acoustic dampening material is applied to the exterior surface; and attaching a...