Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5277800 | Inner filter for aquarium | Klaus Dieckmann, Ulrich Herold, Walter Wiedenmann | 1994-01-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5277800 | Inner filter for aquarium | Klaus Dieckmann, Ulrich Herold, Walter Wiedenmann | 1994-01-11 |