ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,496,532, issued on Dec. 16, was assigned to VEGA FORCE INTERNATIONAL CORP. (Taoyuan, Taiwan).

"Removable structure of simulated appearance of muzzle" was invented by Shih-Che Kung (Taoyuan, Taiwan) and Wei-Hung Chung (Taoyuan, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A removable structure includes a barrel and a simulated structure disposed on the barrel. The simulated structure includes a muzzle, a sleeve base, a removable base, a knob member, an engaging assembly and an elastic fixing assembly. The knob member has a pivoting portion pivoted in the removable base. The pivoting portion has a cam structure. The cam structure has a pressing f...