ALEXANDRIA, Va., May 5 -- United States Patent no. 12,618,137, issued on May 5, was assigned to BUHLER ALZENAU GMBH (Alzenau, Germany).

"Coating method and device" was invented by Michael Mucke (Wollstadt, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a method and a device for coating a strip-type, flexible, dielectric substrate with a metal layer on a coating roll over which the substrate is guided in the longitudinal direction of the substrate during the coating process. In order to improve the adhesion of the substrate on the coating roll during the coating process, the substrate is charged. The substrate is coated with a first metal layer, wherein, in the longitudinal di...