Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6798518 | Method and apparatus for a derivative spectrometer | Arnold Walkow, Paul Bergren | 2004-09-28 |
| 6714872 | Method and apparatus for quantifying progress of sample clean up with curve fitting | Jaedong Lee | 2004-03-30 |
| 6683681 | Method and apparatus for a downhole refractometer and attenuated reflectance spectrometer | Arnold Walkow, Paul Bergren | 2004-01-27 |
| 6672093 | Downhole sorption cooling and heating in wireline logging and monitoring while drilling | — | 2004-01-06 |