ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,408,921, issued on Sept. 9, was assigned to The Regents of the University of California (Oakland, Calif.).

"Magnetic positioning/deployment and retrieval system" was invented by Michael R. Harrison (San Francisco), Mohammad Sahlabadi (San Francisco) and Lauren L. Evans (Oakland, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Apparatuses for placement of magnetic therapeutic devices are provided. Such apparatuses may include an actuation mechanism that includes a movable portion that is movable relative to another portion thereof between at least three different predetermined relative locations, each location associated with a different position ...