ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,824, issued on March 25, was assigned to EKRA Automatisierungssysteme GmbH (Bonnigheim, Germany).

"Screen printing device and method for screen printing onto substrates" was invented by Franz Plachy (Brackenheim, Germany), Lukas Sanger (Backnang, Germany) and Rainer Voigt (Freiburg, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The application relates to a printing device for printing onto substrates, in particular solar cells, wafers or printed circuit boards, including a squeegee means and including at least one printing table, wherein the squeegee means is arranged above the printing table, and including at least one conveying means, by...