ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,275, issued on Nov. 11, was assigned to MAXTON ENGINEERING LTD. (Central, Hong Kong).

"Collapsible shelter with central drive actuation for synchronized expansion/retraction in unison" was invented by Shou Qiang Zhu (Central, Hong Kong).

According to the abstract* released by the U.S. Patent & Trademark Office: "A collapsible shelter having a folding frame assembly, in which a plurality of leg assemblies are disposed at the corners. A central drive mechanism is disposed at a center of the perimeter, and a framework of a plurality of actuation members operatively coupled to the central drive mechanism and to the leg assemblies. The actuation members are structured and configured t...