ALEXANDRIA, Va., June 9 -- United States Patent no. 12,285,264, issued on April 29, was assigned to Covidien LP (Mansfield, Mass.).

"Determining composite signals from at least three electrodes" was invented by Eric J. Panken (Edina, Minn.), Philip E. Tracton (Porter Ranch, Calif.), Eric M. Christensen (Gilbert, Ariz.), Richard J. O'Brien (Hugo, Minn.), David A. Anderson (Stanchfield, Minn.), Avram Scheiner (Vadnais Heights, Minn.), Paul G. Krause (Mahtomedi, Minn.), Jonathon E. Giftakis (Maple Grove, Minn.), John Wainwright (Foothill Ranch, Calif.), Andrew J. Ries (Lino Lakes, Minn.), Randal C. Schulhauser (Phoenix) and Ekaterina M. Ippolito (Shoreview, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "I...