Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6744045 | Portable underwater mass spectrometer | David P. Fries, Robert H. Byrne | 2004-06-01 |
| 6727498 | Portable underwater mass spectrometer | David P. Fries, Robert H. Byrne | 2004-04-27 |