Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7217361 | Filter with support columns | Michael J. Connor, Jessie A. Knight, Michael E. Yost, Edwin A. Castellanos, Gary L. Rickle | 2007-05-15 |
| 7063730 | Filter with end cap base retainer | Michael J. Connor, Mark V. Holzmann, Robert A. Bannister, Michael Furseth | 2006-06-20 |
| 6569219 | Air filter with serviceable filter media | Michael J. Connor, Kent J. Kallsen, Carl P. Harris, Mark V. Holzmann, Robert A. Bannister | 2003-05-27 |