ALEXANDRIA, Va., June 12 -- United States Patent no. 12,299,519, issued on May 13, was assigned to BAYER AG (Leverkusen, Germany).

"Monitoring of products" was invented by Christof Backhaus (Huckeswagen, Germany), Katharina Berger (Weilerswist, Germany), Uwe Schenkel (Langenfeld, Germany), Jurgen Schmidt (Bad Laasphe, Germany), Walter Speth (Pulheim, Germany), Klaus Glismann (Cologne, Germany), Eric Willms (Cologne, Germany), Markus Storz (Leverkusen, Germany), Arne Wendt (Burscheid, Germany), Gregory Dibble (Chesterfield, Mo.) and Richard Fuechtenbusch (Dormagen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to the monitoring of products by means of active radio tags. Accordin...