ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,486,675, issued on Dec. 2, was assigned to TRUE CORNERS LLC (Osprey, Fla.).

"Wallboard-fastening device for securing wallboards in an inside-corner configuration" was invented by Charles W. Mineo (Ft. Lauderdale, Fla.) and Samuel J. Mineo (Osprey, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A wallboard-fastening device for securing first and second wallboards in an inside-corner configuration includes a first framing panel having a first lengthwise edge and a second framing panel having opposite second and third lengthwise edges, the second lengthwise edge directly connecting to the first lengthwise edge. A first flat-spring flange having a fourt...