ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,390,886, issued on Aug. 19, was assigned to 4JET MICROTECH GMBH (Alsdorf, Germany).

"Device and method for generating a plurality of grooves" was invented by Tobias Dyck (Aachen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A laser processing device for generating a plurality of grooves in a surface comprises an optical diffraction arrangement adapted to receive a laser radiation and to generate an output radiation hereupon, the output radiation having a plurality of intensity maxima. An actuator arrangement is provided for generating a relative movement between the output radiation and the surface, wherein each intensity maximum generates a g...