ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,845, issued on Jan. 13, was assigned to YUAN LI HSING INDUSTRIAL Co. LTD. (Taichung, Taiwan).
"Two-size socket tool" was invented by Chia-Yi Chen (Taichung, Taiwan) and Hui-Chien Chen (Taichung, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A two-size socket tool is provided, wherein the two-size socket tool includes: an outer sleeve including a socket hole, a receiving hole in communication with the socket hole, and a radial protrusion radially protruding between the socket hole and the receiving hole; an inner sleeve non-rotatably inserted in the outer sleeve and including an inner sleeving portion and a connection section connected to eac...