Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11123671 | Filter systems with dirty air chamber spacer elements and methods of using the same | — | 2021-09-21 |
| 10967322 | Ovate tubular filter cartridges and filter systems using the same | — | 2021-04-06 |
| 10946322 | Filter element, dust collector, and methods | Brian Zauner, Jim C. Rothman | 2021-03-16 |