ALEXANDRIA, Va., June 18 -- United States Patent no. 12,324,622, issued on June 10, was assigned to KARDIUM INC. (Burnaby, Canada).

"Systems and methods for ablating tissue" was invented by Daniel Robert Weinkam (Coquitlam, Canada), Daniel Martin Reinders (Surrey, Canada), Darrell Anthony Harrington (Canoga Park, Calif.), Douglas Wayne Goertzen (New Westminster, Canada) and Michael Hermann Weber (Sointula, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "Intra-cardiac voltage data display systems display a plurality of data sets derived at least from intra-cardiac voltage data sampled by an electrode. In some embodiments, at least some of the data sets are derived from a portion of the intra-cardiac vol...