Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5670048 | Preparatory supercritical fluid extraction using sealed chamber | Henry L. Walters | 1997-09-23 |
| 5635070 | Apparatus and method for supercritical fluid extraction | Robert W. Allington, Daniel G. Jameson, Dale L. Clay, Robin R. Winter, Yoossef Tehrani | 1997-06-03 |