ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,006, issued on May 13, was assigned to Qin Jiang (Nantong, China).

"Building block type combined storage device" was invented by Fangfeng Mei (Nantong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The utility model provides a building block type combined storage device, at least including any two of a large storage basket group, a small storage basket group and a lid. The large storage basket group includes a first large storage basket without a first handle and/or b second large storage basket with a first handle, wherein the small storage basket group includes 2*n first small storage baskets without a second handle and/or 2*m second small ...