ALEXANDRIA, Va., June 16 -- United States Patent no. 12,653,989, issued on June 16, was assigned to Stereotaxis Inc. (St. Louis).

"Method for manufacturing a magnet and systems and devices including a magnet" was invented by Nathan Kastelein (Troy, Ill.), Paul F. Rebillot III (St. Louis) and Wilfred Peter Heiner (Rheinfelden, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods described herein can include drawing materials to form a drawn filled tubing (DFT) wire. The materials can include a core material, a first layer of a biocompatible material disposed exterior to the filler material, a magnetic material disposed external to the first layer of biocompatible material, and a second layer of bioc...