ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,379,179, issued on Aug. 5, was assigned to Shadow Systems LLC (Plano, Texas).
"Firearm muzzle accessory" was invented by Richard Trevor Simpson Roe (Plano, Texas) and Benjamin Ni Ye (North Richland Hills, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "An accessorized firearm can include a firearm including a barrel having a main firing tube, the barrel provided with an alignment key; and a muzzle accessory including an accessory body having a through-channel and a surface provided with an alignment groove, the through-channel receiving the barrel of the firearm, the alignment groove receiving the alignment key, the alignment key rotationally fixing...