ALEXANDRIA, Va., June 9 -- United States Patent no. 12,649,056, issued on June 9, was assigned to Cardiac Pacemakers Inc. (St. Paul, Minn.).

"Medical devices for treatment of cancer with electric fields" was invented by Brian L. Schmidt (White Bear Lake, Minn.), Jacob M. Ludwig (Isanti, Minn.), Benjamin J. Haasl (Forest Lake, Minn.) and Michael J. Kane (St. Paul, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments herein include medical devices and methods for using the same to treat cancerous tumors within a bodily tissue. In an embodiment, a medical device is included. The medical device can include an electric field generating circuit configured to generate one or more electric fields and con...