ALEXANDRIA, Va., March 5 -- United States Patent no. 12,240,081, issued on March 4, was assigned to HONG ANN TOOL INDUSTRIES Co. LTD. (Taichung, Taiwan).
"Rapid adjustable wrench" was invented by Cheng-Wei Su (Taichung, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A rapid adjustable wrench includes a body, a movable jaw, and an engaging device. The body has a fixed jaw, a sliding groove, and a containing recess. The movable jaw includes a sliding portion movably arranged in the sliding groove and a first toothed portion adjacent to the sliding portion. The engaging device includes an engaging member and a toggle switch. The engaging member is arranged in the containing recess and has a second toothe...