ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,529,222, issued on Jan. 20, was assigned to NEDCON B.V. (Doetinchem, Netherlands).

"Horizontal floor made up of a load-bearing structure and floor panels laid thereon" was invented by Jan-Willem Frederiks (Doetinchem, Netherlands).

According to the abstract* released by the U.S. Patent & Trademark Office: "A horizontal floor consists of a load-bearing structure and panels, which are laid thereon and together form a floor surface. The load-bearing structure is made up of at least one main profile, which is fastened on vertical supports, and secondary profiles, which are arranged transversely in relation to the main profile, are connected at their end to the main profile and on which t...