ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,736, issued on Sept. 23, was assigned to SURFACE TECHNOLOGIES GMBH & Co. KG (Baruth, Germany).
"Leak-proof and unbreakable panel comprising a locking element, and method for producing such a panel" was invented by Hans-Jurgen Hannig (Bergisch Gladbach, Germany), Andreas Sieder (Ludwigsfelde, Germany), Eberhard Herrmann (Wismar, Germany) and Carsten Buhlmann (Baruth, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A panel comprises a panel body extending in a longitudinal direction and a transverse direction, a retaining groove extending in the transverse direction in an end short side of the panel body, and a locking element which is inserte...