ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,741,347, issued on Sept. 22, was assigned to Luoyang Xincheng Precision Machinery Co. Ltd. (Luoyang, China).

"Positioning device for assembling power tool holder housing and use method thereof" was invented by Wei Lin (Luoyang, China), Xiangqian Liu (Luoyang, China), Wenjue Zhao (Luoyang, China), Junjie Chang (Luoyang, China) and Xiangyang Ding (Luoyang, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A positioning device for assembling a power tool holder housing and a use method of the positioning device, includes the power tool holder housing, a positioning table and elastic key blocks A; a lower cross keyway is formed in the bottom surface of ...