ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,528,178, issued on Jan. 20.
"Tool box assembly" was invented by Chang-Yu Tsai (Taichung, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A tool box assembly includes a first body, a first receiving portion, two first locking units, a second body, three second locking units, a third locking unit, and a fourth locking unit. The first receiving portion is provided with a first receiving recess and an opening. Each of the first locking units is provided with a projecting piece, at least one first locking portion, and a first restriction portion. Each of the second locking units is provided with a second receiving recess and a second locking portion. T...