Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5328828 | Compositions and methods for determining the presence of amphetamines in a sample suspected of containing amphetamine and/or methamphetamine | Cheng-I Lin, Chen-Jung Hsu, James Vincent Freeman, Marcel Pirio, Edwin F. Ullman | 1994-07-12 |