ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,478,182, issued on Nov. 25.
"Device for supporting and fixing furniture shelves" was invented by Antonio Giovannetti (Segrate, Italy).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a device for supporting and fixing shelves of furniture items, such as bookcases, shelf units and the like. The device includes a casing of substantially cylindrical shape, inside whereof is mounted a pin that is stressed by a compression spring, the device being inserted in the edge of a shelf, with a tip of the pin normally protruding from the edge of the shelf and apt to re-enter the casing when the shelf is brought into interference with a wall of the furnitur...