Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4434364 | Method and apparatus for underwater detection of hydrocarbons | John S. Gergely, Andrew J. Blanchard | 1984-02-28 |
| 4394573 | Method and apparatus for underwater detection of hydrocarbons | John S. Gergely, Andrew J. Blanchard | 1983-07-19 |