Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6414196 | Process and device for preparing pure formaldehyde | Elke Schweers, Michael Rosenberg | 2002-07-02 |
| 6401397 | Sealing profile having a two layer covering element | Jurgen Klein, Rudolf Szed | 2002-06-11 |