ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,552,432, issued on Feb. 17, was assigned to MAXTON ENGINEERING LTD. (Central, Hong Kong).
"Collapsible wagon tailgate" was invented by Shou Qiang Zhu (La Verne, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A collapsible wagon with a foldable/collapsible tailgate frame assembly coupled to a collapsible wagon frame assembly. The collapsible wagon frame assembly has a collapsible frame having a rear frame. The tailgate frame assembly has a tailgate platform having a pair of side rails, each pivotally connected to a corresponding bottom portion near the base of the rear frame, and a slider slidable along the corresponding side rails. A wheel suppor...