ALEXANDRIA, Va., June 12 -- United States Patent no. 12,300,479, issued on May 13, was assigned to MOBILion Systems Inc. (Chadds Ford, Pa.).

"Voltage control for Ion mobility separation" was invented by John Daniel DeBord (West Grove, Pa.) and Gordon A. Anderson (Benton City, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device includes a first surface, a second surface and a controller. The second surface is adjacent to the first surface. The first and the second surfaces define a first ion channel therebetween. The first ion channel extends along a first direction. The second surface includes a first plurality of electrodes including a first electrode and a second electrode spaced apart from the f...