Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6798518 | Method and apparatus for a derivative spectrometer | Rocco DiFoggio, Paul Bergren | 2004-09-28 |
| 6794652 | Method and apparatus for a rigid backup light source for down-hole spectral analysis | — | 2004-09-21 |
| 6683681 | Method and apparatus for a downhole refractometer and attenuated reflectance spectrometer | Rocco DiFoggio, Paul Bergren | 2004-01-27 |