ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,422,062, issued on Sept. 23, was assigned to WINTEC ARROWMAKER INC. (Fort Washington, Md.).

"Hinge assembly" was invented by Jorma Jon Lagrandier (Tampa, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A hinge assembly is described, which includes (i) a first angled member including flanges oriented at substantially right angles to one another and joined to one another at inner edges thereof, (ii) a second angled member including flanges oriented at substantially right angles to one another and joined to one another at inner edges thereof, and (iii) a self-closing spring hinge having leaf elements attached to flanges of the first and second angled ...