ALEXANDRIA, Va., May 19 -- United States Patent no. 12,629,610, issued on May 19, was assigned to DPX TECHNOLOGIES INC. (Columbia, S.C.).

"Automated group separations of complex mixtures with gel filtration pipette tips" was invented by William E. Brewer (Columbia, S.C.) and Matthew G. Fitts (Columbia, S.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device for automated or manual group separations of complex biological mixtures and methods of use are described. The device is a gel filtration pipette tip having a size exclusion media therein and held in place by a filter at the distal end of the pipette tip and an optional removable or pierceable barrier at the proximal end of the pipette tip. The size ...