ALEXANDRIA, Va., June 2 -- United States Patent no. 12,644,821, issued on June 2, was assigned to LIFE TECHNOLOGIES Corp. (Carlsbad, Calif.).

"Sample stream centration" was invented by Eric Finan (Eugene, Ore.) and Michael Ward (Eugene, Ore.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are, inter alia, flow centration components that can be used in flow cytometers and other applications. A flow centrator can define central axis, a proximal end, and a distal end, and having a central bore extending within the flow centration component in the direction of the central axis; the flow centration component defining a splined outer surface that defines a plurality of circumferentially arranged bypass flu...