ALEXANDRIA, Va., June 16 -- United States Patent no. 12,303,802, issued on May 20, was assigned to Zootility Co. (Portland, Maine).

"Multilayered model assemblies" was invented by Nathan Barr (Portland, Maine).

According to the abstract* released by the U.S. Patent & Trademark Office: "Toy model assemblies of multiple planar layer pieces mechanically fastened together with adjustable connectors. Models incorporating the multilayered assemblies can be made to hold their position when the adjustable connectors are tightened. The layer pieces have profiles that represent specific model components some of which rotate about a perpendicular connector in parallel planes. Stratified layer assemblies capturing a specialized connector provide rota...