ALEXANDRIA, Va., June 12 -- United States Patent no. 12,296,080, issued on May 13, was assigned to United States Government as Represented by the Department of Veterans Affairs (Washington).

"Microfluidic diffusion devices and systems, and methods of manufacturing and using same" was invented by Joseph A. Potkay (Ann Arbor, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein are rolled-membrane microfluidic diffusion devices and corresponding methods of manufacture. Also disclosed herein are three-dimensionally printed microfluidic devices and corresponding methods of manufacture. Optionally, the disclosed microfluidic devices can function as artificial lung devices."

The patent was filed ...