Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7972405 | Air cleaner arrangements; serviceable filter elements; and, methods | Randall Allen Engelland, Thomas R. Olson, Gary R. Gillingham, Richard Lawrence Suydam | 2011-07-05 |
| 7967898 | Z-filter media with reverse-flow cleaning systems and methods | Timothy D. Sporre, Michael Handley, Thomas D. Raether | 2011-06-28 |