Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4335452 | Electro-acoustic device for the underwater signalling and identification of a vessel | Mario Rossi | 1982-06-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4335452 | Electro-acoustic device for the underwater signalling and identification of a vessel | Mario Rossi | 1982-06-15 |