Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8453442 | Underwater air power generator | — | 2013-06-04 |
| 6027691 | Automatic chemistry analyzer | Richard P. Watts, David L. Goodale, Dang Minh Ngo, Songai Tu, Michael L. Bell | 2000-02-22 |
| 5902548 | Automatic chemistry analyzer | Richard P. Watts, David L. Goodale, Michael L. Bell, Dang Minh Ngo, Songai Tu | 1999-05-11 |
| 5807523 | Automatic chemistry analyzer | Richard P. Watts, David L. Goodale, Dang Minh Ngo, Songai Tu, Michael L. Bell | 1998-09-15 |