ALEXANDRIA, Va., July 16 -- United States Patent no. 12,669,466, issued on June 30, was assigned to DRAGER SAFETY AG & Co. KGAA (Lubeck, Germany).

"Electrochemical sensor arrangement, breathalyzer and method for determining a vitality of electrodes of an electrochemical sensor" was invented by Malte Baesler (Lubeck, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electrochemical sensor arrangement (10) for a breath alcohol measuring device (100), to a corresponding breath alcohol measuring device (100) as well as to a process for determining a vitality of electrodes of an electrochemical sensor. The electrochemical sensor arrangement comprises an electrochemical sensor with at least two electrodes ...