ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,498,689, issued on Dec. 16, was assigned to SELECTRON SYSTEMS AG (Switzerland).

"Virtualized programmable logic controllers to allow multiple applications to run in parallel on the same hardware" was invented by Ulrich Schoni (Ittigen, Switzerland), Bernhard Geissbuhler (Lyss, Switzerland), Christoph Felser (Murten, Switzerland), Joachim Lillich (Oberdorf, Switzerland), Jonathan Orditz (Sonceboz-Sombeval, Switzerland), Martin Kurth (Lohn-Ammannsegg, Switzerland) and Ralph Martig (Bern, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A programmable logic controller, a method for operating a programmable logic controller, and a computer program...