US Patent Issued to Cardinal IG on May 13 for "Leakage current detection and control for one or more electrically controllable privacy glazing structures" (Minnesota Inventors)

ALEXANDRIA, Va., June 12 -- United States Patent no. 12,296,558, issued on May 13, was assigned to Cardinal IG Co. (Eden Prairie, Minn.).

"Leakage current detection and control for one or more electrically controllable privacy glazing structures" was invented by Nicholas Schleder (Saint Paul, Minn.), Hari Atkuri (Plymouth, Minn.), Andrew DeMiglio (Savage, Minn.) and Michael Eul (Grant, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electrical characteristic of a privacy glazing structure and indicative of a health of the privacy glazing structure can be measured at a first time and at a second time later than the first time. In response to detecting a change in the electrical characteristic indicati...