Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6403197 | Filter material | Heinz Wandel | 2002-06-11 |
| 6364978 | Method and apparatus for producing a filter material | Heinz Wandel | 2002-04-02 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6403197 | Filter material | Heinz Wandel | 2002-06-11 |
| 6364978 | Method and apparatus for producing a filter material | Heinz Wandel | 2002-04-02 |