ALEXANDRIA, Va., July 14 -- United States Patent no. 12,680,775, issued on July 14, was assigned to Zenith Firearms Inc. (Afton, Va.).

"Trigger frame assembly" was invented by Roy J. Couvillion (Lafayette, La.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A trigger frame assembly that is received within a grip of a firearm for use in providing a housing for a plurality of internal action component parts of a firearm, such as, a trigger. A trigger frame assembly comprising a plurality of panel members that are braced and connected together via a plurality of mechanical fasteners, or an interlocking snapping mechanism, that allow the panel members to fit firmly together, wherein the mechanical fasteners also ...