ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,744,197, issued on Sept. 22, was assigned to Thermo Fisher Scientific (Bremen) GmbH (Bremen, Germany).

"Method of operating a multipole device" was invented by Hamish Stewart (Bremen, Germany), Amelia Corinne Peterson (Bremen, Germany) and Alexander A. Makarov (Bremen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of operating a multipole device comprises sorting a list of mass-to-charge ratios that are assigned to one of first and second polarity configurations to be applied between first and second pairs of opposing electrodes, the first polarity configuration being a first polarity DC offset and the second polarity configuration be...