Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5567315 | Lifting-lowering type aquarium filter | Frank v. Luetzau, Gerhard Frank, Michael Schmidt, Ferdinand Mayer, Ulrich Herold | 1996-10-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5567315 | Lifting-lowering type aquarium filter | Frank v. Luetzau, Gerhard Frank, Michael Schmidt, Ferdinand Mayer, Ulrich Herold | 1996-10-22 |