Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6358580 | Sealing material which swells when treated with water | Günter Preiser, Jürgen Dahm | 2002-03-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6358580 | Sealing material which swells when treated with water | Günter Preiser, Jürgen Dahm | 2002-03-19 |