ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,486,663, issued on Dec. 2, was assigned to HOLLAND COMPOSITES B.V. (Lelystad, Netherlands).
"Renewable lightweight composite assembly" was invented by PieterJan Dwarshuis (Lelystad, Netherlands) and Sven Erik Janssen (Lelystad, Netherlands).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a lightweight composite architectural panel assembly, comprising: a) at least a first and a second end joist spaced parallelly along a perimeter of the assembly, each having a length; b) at least one web plate spaced parallelly between the end joists; an upper surface arranged in parallel to a lower surface; and attached to the at least fir...