ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,723,842, issued on Sept. 1, was assigned to ZHUHAI MEFO OPTICAL INSTRUMENTS CO LTD. (Zhuhai, China).
"Dot sight" was invented by Xiping Yu (Zhuhai, China), Jiyuan Tian (Zhuhai, China), Hui Yang (Zhuhai, China), Dayun Lin (Zhuhai, China) and Yinquan He (Zhuhai, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A dot sight includes a sight mount, a sight frame, a light source member, a collimator lens set, a reflector, and a beam splitter prism, where a first chamber is formed in the sight mount; the sight frame is provided at a circumferential side of the sight mount close to an eye side; a second chamber, and a through opening communicating the secon...