Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4346290 | Device for the recognition and progressive cancellation of information recorded on a magnetic support | — | 1982-08-24 |
| 4335452 | Electro-acoustic device for the underwater signalling and identification of a vessel | Philippe Eberlin | 1982-06-15 |