ALEXANDRIA, Va., April 9 -- United States Patent no. 12,270,156, issued on April 8, was assigned to Smart Planet Technologies Inc. (Newport Beach, Calif.).

"Composite structures for packaging articles and related methods" was invented by Christopher R. Tilton (Laguna Hills, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The composite structure includes a fiber-containing layer, such as a fiberboard layer or other layer having fibers from natural and/or synthetic sources, and a mineral-containing layer covering the fiber-containing layer. The fiber-containing layer and mineral-containing layer can be shaped, sized and manufactured such that the composite structure formed therefrom is capable of being m...