ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,331, issued on March 18, was assigned to CONTESSA S.R.L. (Marcheno, Italy).

"Self-centring device for supporting scopes on rifle ribs" was invented by Alessandro Contessa (Marcheno, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device for supporting scopes, such as telescopes, holographic, laser, red-dot aiming systems, etc., for rifles equipped with rib, is described. The device comprises a body, on which the scope can be fastened, and a plurality of claws slidably mounted on the body. The claws are movable to be opened and closed in response to the displacements imparted by the user to corresponding thrust elements, through a special adj...