ALEXANDRIA, Va., June 25 -- United States Patent no. 12,337,320, issued on June 24, was assigned to ABS GLOBAL INC. (Deforest, Wis.).

"Systems and methods for particle focusing in microchannels" was invented by Gerson Aguirre (Seattle), Zheng Xia (DeForest, Wis.) and Gopakumar Kamalakshakurup (DeForest, Wis.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A microfluidic system configured to focus particles suspended in a fluid. One general aspect includes a microfluidic system comprising one or more substrates and a focusing channel formed in the one or more substrates and spanning a length from an inlet to an outlet for receiving a flow of particles suspended in fluid, wherein the particles have a diameter (...