ALEXANDRIA, Va., July 16 -- United States Patent no. 12,358,545, issued on July 15, was assigned to ZHEJIANG JIANSHENG LEISURE PRODUCTS Co. LTD (Zhejiang, China).
"Folding cart" was invented by Yuanru Sun (Zhejiang, China), Chao Zeng (Zhejiang, China) and Jian He (Zhejiang, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A folding cart includes a frame body and a wheel assembly located at a lower part of the frame body. A pull rod assembly is arranged on the frame body in a matched manner. The frame body includes a bottom frame assembly and a side frame assembly which can be folded or unfolded. The side frame assembly includes a plurality of side rail units and a plurality of leg tube assemblies for con...