ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,189, issued on Sept. 30, was assigned to Kiekert AG (Heiligenhaus, Germany).
"Method of manufacturing a mark on a packaging material" was invented by Keyvan Shourvarzi (Lund, Sweden), Stefan Nyborg (Lund, Sweden) and Maria Aldenius (Lund, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of manufacturing a mark on a packaging material, the method comprising the following steps: Providing the packaging material, which comprises at least one pre-printed element at a pre-defined position; Removing the pre-printed element in pre-defined sections in a marking station, so that the removed sections reflect a negative of the mark to be manufac...