Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7666686 | Method for sample preparation by solid phase extraction | Donald L. Shelly, Jr., Phillip Spraker, Michael J. Telepchak | 2010-02-23 |
| 6156431 | Extraction material comprising treated silica and method for determination of gamma-hydroxybutyrate | Chester J. Kitchen, Thomas August, Michael J. Telepchak | 2000-12-05 |