ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,394,615, issued on Aug. 19, was assigned to THE TRUSTEES OF INDIANA UNIVERSITY (Bloomington, Ind.).

"Apparatus and method for pulsed mode charge detection mass spectrometry" was invented by Martin F. Jarrold (Bloomington, Ind.) and Aaron A. Todd (Bloomington, Ind.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A charge detection mass spectrometer includes an ion trap configured to store ions therein and to release stored ions therefrom, and an electrostatic linear ion trap (ELIT) array, in the form of at least two ELITs or ELIT regions each spaced apart from the ion trap, each ELIT or ELIT region including first and second ion mirrors and a charge detec...