ALEXANDRIA, Va., March 3 -- United States Patent no. 12,564,346, issued on March 3, was assigned to Twinleaf LLC (Plainsboro, N.J.).

"Unshielded pulsed pump magnetometers for biomagnetic measurements" was invented by Elizabeth L. Foley (Plainsboro, N.J.), Thomas W. Kornack (Plainsboro, N.J.), Lucia A. Rathbun (Princeton, N.J.), David H. Newby (Pennington, N.J.) and Nancy G. Ford (Bordentown, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The pulsed pump magnetometer (PPM) is a new type of magnetometer with much higher dynamic range, linearity, and sensitivity than all other types of magnetometers. These features allow more faithful subtracting and cancelling sources of magnetic noise, enabling high qual...