Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10941102 | Aqueous leaching method to produce microcrystalline powder | Thomas Jennings Wohleb, Joseph David Friis | 2021-03-09 |
| 9200991 | Sorptive extraction layer for immobilized liquid extraction | — | 2015-12-01 |
| 8192692 | Coated chromatograph injection port liner for performing surface sorbent | Martin Okiro | 2012-06-05 |
| 7087437 | Direct vial surface sorbent micro extraction device and method | — | 2006-08-08 |
| 4265860 | High pressure Soxhlet extractor | Walter G. Jennings, Norman W. Wohlers | 1981-05-05 |
| D258147 | High pressure soxhlet extractor | Walter G. Jennings, Norman W. Wohlers | 1981-02-03 |