ALEXANDRIA, Va., June 6 -- United States Patent no. 12,280,843, issued on April 22, was assigned to Quzhou T-NINE Trading Co. Ltd. (Quzhou, China).

"Folding bicycle rack with automatic wheel fixing" was invented by John Su (Quzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A folding bicycle rack with automatic wheel fixing, including a wall-mounting structure, a bottom frame, and an adjustable positioning assembly including a positioning member and a tilted structure. The wall-mounting structure is vertically fixed on a wall. An end of the bottom frame is in an angularly-restricted rotational connection with a lower end of the wall-mounting structure. The bottom frame is provided with a wheel-rece...