ALEXANDRIA, Va., June 19 -- United States Patent no. 12,329,981, issued on June 17, was assigned to The Johns Hopkins University (Baltimore).

"MRI-compatible cardiac defribrillator" was invented by Henry Halperin (Baltimore), Ehud J. Schmidt (Boston), Ronald D. Watkins (Stanford, Calif.), Harikrishna Tandri (Ellicott City, Md.), David Hunter (Baltimore), Leslie Tung (Columbia, Md.) and Ronald D. Berger (Baltimore).

According to the abstract* released by the U.S. Patent & Trademark Office: "A magnetic-resonance-imaging-compatible (MRI-compatible) cardiac defibrillator includes: a defibrillator generator; first and second electric wires, each being electrically connected to said defibrillator generator; first and second defibrillation pads,...