ALEXANDRIA, Va., June 2 -- United States Patent no. 12,644,331, issued on June 2, was assigned to SAINT-GOBAIN SEKURIT FRANCE (Thourotte, France).

"Glazed unit comprising a profiled bead with a foaming agent and a bonded cover piece as well as the method for manufacturing the glazed unit" was invented by Xiaolin Pardal (Compiegne, France), Fabienne Piroux (Compiegne, France) and Loic Annequin (Jaux, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A glazed unit includes a glazed element, and including a profiled bead having a base which has a thickness of at least 5 mm, the base of the profiled bead including a material incorporating a foaming agent, wherein the glazed unit includes a cover piece includ...