ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,727, issued on Nov. 11, was assigned to Sig Sauer Inc. (Newington, N.H.).
"Ammunition blank and corresponding bolt" was invented by Jacqueline K. McNally (Rochester, N.H.), Johnathon M. Hall (Beebe, Ark.) and Virgil L. White (Cabot, Ark.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An ammunition cartridge casing has a casing base with a proximal end surface, a casing body defining an inside volume, and a distal end portion. The casing base defines a primer pocket in communication with the inside volume of the casing body, where the primer pocket is sized and configured such that when a primer is installed in the primer pocket, a proximal face of t...