ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,486,664, issued on Dec. 2, was assigned to WOOD INNOVATIONS LTD (Eschen, Liechtenstein).

"Core layer having wood elements, in particular wood elements having a corrugated structure" was invented by Thomas Eckstein (Dresden, Germany), Achim Moeller (Dresden, Germany) and Hans-Joachim Danzer (Zug, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A core layer suitable for a multilayer composite including at least one surface layer and one core layer, the surface layer arranged to at least partially cover the core layer and be fixedly connected thereto, wherein the core layer has elements composed of wood, which elements have plate-like regions arr...