ALEXANDRIA, Va., June 4 -- United States Patent no. 12,320,618, issued on June 3, was assigned to ZHUHAI RONGSHENG TECHNOLOGY Co. LTD (Zhuhai, China).
"Zoom sight" was invented by Guomin Yu (Zhuhai, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A zoom sight includes a sight body, an inner tube, a zoom lens set, an eyepiece set, and a drive member. The inner tube is provided in the sight body, and capable of making circumferential rotation around a central axis of the inner tube; an axial position of the inner tube relative to the sight body is stable; the zoom lens set is provided in the inner tube, and linked with the inner tube; the inner tube in the circumferential rotation drives the zoom lens set...