Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867558 | Method of remotely detecting submarines using a laser | Harold E. Sweeney | 1989-09-19 |
| 4867564 | Apparatus for and method of remotely sensing sub-surface water temperatures | Harold E. Sweeney | 1989-09-19 |