Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4208281 | Method of producing active filters more particularly for the treatment of water and waste water | Han-Ulrich Klen, Sabine Normann | 1980-06-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4208281 | Method of producing active filters more particularly for the treatment of water and waste water | Han-Ulrich Klen, Sabine Normann | 1980-06-17 |