ALEXANDRIA, Va., June 17 -- United States Patent no. 12,313,385, issued on May 27.

"Crimping die" was invented by Jesse Reed (Redford, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A crimping die assembly for crimping a cartridge is provided that includes a casing and a bullet seated in the casing. The crimping die assembly includes a die body with a longitudinal axis, an elongated cavity disposed along the longitudinal axis, a cartridge receiver opening for receiving the cartridge, disposed at a first end of the die body, and opening into to the elongated cavity, a crimping bushing for crimping the casing onto the bullet, disposed within the elongated cavity and translatable therein along the longitud...