ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,523,037, issued on Jan. 13, was assigned to CertainTeed Gypsum Inc. (Malvern, Pa.).

"Tapered plasterboards and methods for making them" was invented by John Bridenstine (Dade City, Fla.), Christopher G. Riley (Malvern, Pa.) and James Dimitrakopoulos (Conshohocken, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein are plaster boards having a first surface and an opposing second surface, and a first edge and an opposing second edge that bound the first surface and the second surface. The first surface includes a first section and a second section, the first section being raised compared to the second section, the second section abutting ...