ALEXANDRIA, Va., June 9 -- United States Patent no. 12,649,506, issued on June 9.

"Shopping trolley" was invented by Miao Li (Beijing) and Yongpan Shi (Yongkang City, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a shopping trolley, including a support frame and a storage basket. The storage basket includes a first storage basket and a second storage basket, the second storage basket is capable of being placed in the first storage basket, the first storage basket and the second storage basket are slidingly connected through an adjustment mechanism, and the adjustment mechanism is provided with a fixing mechanism. The adjustment mechanism comprises a first connecting r...