ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,742,468, issued on Sept. 22, was assigned to HANWIT PRECISION INDUSTRIES LTD. (New Taipei, Taiwan).

"Rotary positioning device" was invented by Ming-De Wu (New Taipei, Taiwan) and Ching-Kai Chang (New Taipei, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A rotary positioning device includes a base, a fixing seat assembled on the shaft and stopper of the base and having and a movable positioning body respectively placed in each horizontal through-hole thereof, a rotation unit including a driving member and a rotating member and assembled outside the fixing seat, the driving member including a rotating shaft movably installed inside the protrudin...