Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5404340 | Marine seismic streamer with a device for damping oscillations | Helmut Weichart, Andreas Laake | 1995-04-04 |
| 5394379 | Hydrophone | Helmut Weichart | 1995-02-28 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5404340 | Marine seismic streamer with a device for damping oscillations | Helmut Weichart, Andreas Laake | 1995-04-04 |
| 5394379 | Hydrophone | Helmut Weichart | 1995-02-28 |