ALEXANDRIA, Va., April 2 -- United States Patent no. 12,262,879, issued on April 1, was assigned to Case Western Reserve University (Cleveland).

"Device for biological cell collection and method of use" was invented by Amitabh Chak (Cleveland), Sanford Markowitz (Cleveland), Dennis Siedlak (Cleveland), Joseph Willis (Cleveland), Lishan Aklog (Purchase, N.Y.), Michael Boutillette (San Francisco) and Richard Yazbeck (Norwell, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device for collecting a biological sample in a subject, the device including an inflatable portion attached to a tubular member, and designed to expand from within the tubular member when inflated and to retract within the tubular mem...