ALEXANDRIA, Va., June 10 -- United States Patent no. 12,290,785, issued on May 6, was assigned to MINNETRONIX INC..

"Tangential flow filter system for the filtration of materials from biologic fluids" was invented by Emily Rolfes Meyering (St. Louis Park, Minn.), Gary Seim (Minneapolis), Abhi Vase (Los Altos Hills, Calif.), Ben Krehbiel (Lake City, Minn.), Blake Hedstrom (Minneapolis), Aaron McCabe (Edina, Minn.) and Jack Mondry (Edina, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for filtering materials from biologic fluids are discussed. Embodiments may be used to filter cerebrospinal fluid (CSF) from a human or animal subject. In an example, CSF is separated into a permeate and...