ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,454,301, issued on Oct. 28, was assigned to Zhongshan Weihong Daily Necessities Co. Ltd. (Zhongshan, China).
"Folding cart" was invented by Yidong Jiang (Zhongshan, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A folding cart comprises a foldable frame, which comprises an upper folding frame, a lower folding frame, and a supporting rod assembly arranged between the upper and lower folding frames. An intermediate upright rod is used as a core support body, and a front sliding upright rod and a rear sliding upright rod slide along a front lower rod and a rear lower rod to form a dynamic triangular support structure when unfolded, so that sliding en...