ALEXANDRIA, Va., March 17 -- United States Patent no. 12,578,054, issued on March 17.
"Double door retainer" was invented by Brian Desilets (Simpsonville, Ky.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Implementations are directed towards a double door retainer for restraining a set of double doors. The double door retainer can be attached to a set of double doors to prevent them from swinging about their hinges as they are transported from one location to another. The double door retainer can include a spacer frame having two opposing end walls and front, rear, and bottom walls that extend longitudinally from one end wall to the other. The double door retainer can include one or more guide rails and a p...