ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,442,230, issued on Oct. 14, was assigned to Textron Innovations Inc. (Providence, R.I.).

"Door stop mechanism" was invented by Richard Stoddard Conkling (Kechi, Kan.) and Mark Corbett Haley (Bel Aire, Kan.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A door stop includes a scissor link member including a pair of links pivotably coupled together at a central pivot point. The scissor link member has a first end pivotally coupled to a door and a second end pivotally coupled to a floor. The pair of links are configured to abut against one another adjacent the central pivot point when the door is fully open to prevent pivoting at the central pivot point fo...