Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4769919 | Contact-sensing probe | Peter G. Lloyd, David Wilson | 1988-09-13 |
| 4674879 | Detecting oil in water | John O. Parry | 1987-06-23 |
| 4201471 | Oil concentration detector | Gillies D. Pitt | 1980-05-06 |