Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5972427 | Adsorbent, supple, filter fabric and method for its manufacture | Horst Muhlfeld, Hansjorg Grimm, Thomas Dabisch | 1999-10-26 |
| 5665148 | Adsorption air filter and method for its production | Horst Muhlfeld, Hansjorg Grimm, Peter Grynaeus, Thomas Dabisch | 1997-09-09 |
| 5470485 | Electrostatically-effective air filter material | Karl-Heinz Morweiser, Klaus Veeser | 1995-11-28 |