ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,746,490, issued on Sept. 29, was assigned to Donaldson Co. Inc. (Minneapolis).
"Substrate treatments" was invented by Aflal Rahmathullah (Savage, Minn.), Andrew J. Dallas (Lakeville, Minn.), Stephen K. Sontag (Maple Grove, Minn.), Bradly G. Hauser (Minneapolis), Davis B. Moravec (Burnsville, Minn.), Vijay K. Kapoor (Eagan, Minn.), Matthew P. Goertz (Bloomington, Minn.), Daniel L. Tuma (St. Paul, Minn.), Warren E. Dammann (Eden Prairie, Minn.), Michael J. Cronin (Apple Valley, Minn.), Mike J. Madsen (Chaska, Minn.), Stuti S. Rajgarhia (Bloomington, Minn.), Charles S. Christ (Deephaven, Minn.) and Joseph M. Block (Carver, Minn.).
According to the abstract* released by the U.S. Patent ...