Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5313268 | Apparatus and method for testing the level of an item in liquid | — | 1994-05-17 |
| 4948348 | Immersion pump, especially for low-boiling fluids | Werner Wiedemann, Hartmut Berndt | 1990-08-14 |