Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5942316 | Multi-layer refractory wear body | Ernst Luhrsen, Andreas Schuler, Martin Wiesel | 1999-08-24 |
| 5596549 | Side look sonar apparatus and method | — | 1997-01-21 |
| 5228006 | High resolution beam former apparatus | — | 1993-07-13 |