ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,887, issued on Dec. 30, was assigned to Hangzhou United Tools Co. Ltd. (Hangzhou, China) and Hangzhou Great Star Industrial Co. Ltd. (Hangzhou, China).
"Pointing tool" was invented by Jingjian Li (Hangzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention discloses a pointing tool comprising a working member and a gripping member. The working member is coupled to the gripping member. The working member is adjustable. A surface of the working member is a polygonal prismatic outer surface including a plurality of circular cylindrical surfaces with different radii of curvature. A first connecting member and a second connecting...