Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10532309 | Antimicrobial filter medium and cabin air filter | Ralf Blum, Ellen Fritz | 2020-01-14 |
| 10300419 | Filter medium, filter element and filter arrangement | Andreas Scope, David Keerl | 2019-05-28 |