US Patent Issued to Donaldson on May 26 for "Filter media, composites, and face mask systems using same" (Minnesota, Wisconsin Inventors)

ALEXANDRIA, Va., May 26 -- United States Patent no. 12,636,524, issued on May 26, was assigned to Donaldson Co. Inc. (Bloomington, Minn.).

"Filter media, composites, and face mask systems using same" was invented by Derek O. Jones (Andover, Minn.), Joseph M. Block (Carver, Minn.), Klenton T. Willis (Woodbury, Minn.), Patricia A. Ignacio-de Leon (Minnetonka, Minn.), James P. Barsness (Dennison, Minn.), Dustin A. Zastera (Hastings, Minn.), William A. Osmer (Prescott, Wis.), Thomas M. Weik (Deephaven, Minn.) and Jacob C. Savstrom (Mound, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "This disclosure describes filter media and mask filters and face mask systems including those filter media. In one aspect, ...