ALEXANDRIA, Va., June 25 -- United States Patent no. 12,339,094, issued on June 24, was assigned to AXTS INC. (Redmond, Ore.).

"Attaching a grip attachment or other attachment in a recoil environment at threadless region(s)" was invented by Joshua A. Underwood (Redmond, Ore.) and Anibal Salinas (Redmond, Ore.).

According to the abstract* released by the U.S. Patent & Trademark Office: "In various embodiments, an apparatus to operate in a recoil environment includes an attachment configured to slidable couple to a firearm, the attachment including a threadless region to couple to one or more corresponding threadless regions of at least one part: wherein the attachment includes: a slidable attachment interface to restrict a coupling movemen...