ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,878, issued on Dec. 9, was assigned to FDEZ WERX LLC (Concord, N.C.).

"Recessed expansion chamber in a gun slide configured for improving recoil mitigation in firearms" was invented by William Fernandez (Concord, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A recessed expansion chamber in a gun slide is configured for improving recoil mitigation in firearms. The gun slide is for a pistol firearm with a barrel and includes a recessed expansion chamber. The recessed expansion chamber is positioned forward of the barrel end of the barrel. An expansion chamber opening is included through the gun slide in communication with the recessed expansion c...