ALEXANDRIA, Va., March 17 -- United States Patent no. 12,578,159, issued on March 17, was assigned to ABC IP LLC (Dover, Del.).

"Firearm trigger mechanism" was invented by Brian A Blakley (Pinellas Park, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A trigger mechanism that can be used in AR-pattern firearms has a hammer, a trigger member, a disconnector, a cam, and a "three position" safety selector having safe, standard semi-automatic, and forced reset semi-automatic positions. In the standard semi-automatic position, rearward movement of the bolt carrier causes rearward pivoting of the hammer and pivoting of the cam from a first position to a second position such that a cam lobe forces the trigger m...