ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,410,987, issued on Sept. 9, was assigned to WORLITE INDUSTRY Co. LTD. (New Taipei, Taiwan).
"Device for paintball air gun" was invented by Jui-Fu Tseng (New Taipei, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An improved device for a paintball air gun. A sliding sleeve has a channel penetrating an inside thereof. The sliding sleeve has a rear ring sleeve covered a rear end thereof and several air holes around the rear ring sleeve. The gas enters the rear ring sleeve through the air holes around the rear ring sleeve, and presses the sliding sleeve forward and moved, and a buckle of a protruding ring located in the middle of the sliding sleeve ...