ALEXANDRIA, Va., July 7 -- United States Patent no. 12,673,433, issued on July 7, was assigned to Jun-Sheng Wei (Taichung City, Taiwan).
"Angle-rotatable fixture device for needles" was invented by Fu-Han Wei (Taichung City, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An angle-adjustable fixture device for needles contains: a body, multiple piston elements, multiple needle elements, multiple air valves, a fixing element, a rotatable element, a positioning element, a resilient element, and a support element. The body includes multiple air chambers, inner threads, and two air orifices. The respective one piston element includes a large-diameter disc and a small-diameter column, and the small-diameter...