ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,766,506, issued on Oct. 20, was assigned to Hewlett-Packard Development Co. LP (Spring, Texas).

"Multizonal microfluidic devices" was invented by Erik D. Torniainen (Corvallis, Ore.), Hilary Ely (Corvallis, Ore.), Michael W. Cumbie (Corvallis, Ore.), Rachel M. White (Corvallis, Ore.) and Adam Higgins (Corvallis, Ore.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A multizonal microfluidic device can include a substrate with multiple structures mounted thereon, including a first and second lid, and a first and second microchip. The first lid and the substrate can form a first microfluidic chamber between structures including a first interior surface of t...