ALEXANDRIA, Va., March 17 -- United States Patent no. 12,575,770, issued on March 17, was assigned to DRAGER SAFETY AG & Co. KGAA (Lubeck, Germany).

"Electronic ankle monitor and corresponding process" was invented by Michael Sick (Lubeck, Germany) and Marie-Isabell Mattern-Fruhwald (Lubeck, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electronic ankle monitor, a process for a control unit of an electronic ankle monitor and a process for detecting alcohol in sweat are provided. The electronic ankle monitor (10) includes an electrochemical sensor (11) and an electrically operated heating element (12) for heating skin (20) in an area around the electrochemical sensor."

The patent was filed on Jul...