ALEXANDRIA, Va., April 15 -- United States Patent no. 12,600,121, issued on April 14, was assigned to Fraunhofer-Gesellschaft zur Forderung der angewandten Forschung e.V. (Munich) and LPKF Laser & Electronics SE (Garbsen, Germany).

"Printing stencil and printing devices for forming conductor paths on a substrate and method for producing a metal contact structure of a photovoltaic cell" was invented by Andreas Lorenz (Freiburg, Germany), Sebastian Tepner (Freiburg, Germany), Kiarash Karimi (Freiburg, Germany), Timo Wenzel (Freiburg, Germany), Michael Linse (Freiburg, Germany), Florian Clement (Freiburg, Germany) and Aaron Michael Vogt (Garbsen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A printing...