Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4445186 | Underwater mapping apparatus and method | Peter J. Clifford, Francis R. Germain | 1984-04-24 |
| 4232380 | Underwater mapping apparatus and method | Peter J. Clifford, Francis R. Germain | 1980-11-04 |