Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5660727 | Automated analyte supercritical fluid extraction apparatus | Norman J. Rothe, David W. Kemp, Bruce Richter, John L. Ezzell | 1997-08-26 |
| 5647976 | High pressure and temperature cell for solvent extraction | Norman J. Rothe | 1997-07-15 |