Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8871011 | Electret filter element and method for the manufacture thereof | Klaus Veeser, Martin Krause, Jochen Zabold | 2014-10-28 |
| 8709139 | Layer for use in a HEPA filter element | Klauss Veeser, Armin Greiner, Harold Von Schischka, Juergen Adolph | 2014-04-29 |