ALEXANDRIA, Va., March 12 -- United States Patent no. 12,247,292, issued on March 11, was assigned to AP & S INTERNATIONAL GMBH (Donaueschingen, Germany).

"Apparatus for electroless metallization of a target surface of at least one workpiece, and method and diffuser plate for this purpose" was invented by Hubert Parzefall (Mintraching, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to an apparatus (1) for the electroless metallization of a target surface of at least one workpiece (5), having a vessel (10) to accommodate a metallization solution having an inlet (15) and an outlet (16) for the metallization solution, and a holder (20) for accommodating the at least one wor...