Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5164504 | Haptens, tracers, immunogens and antibodies for immunoassays for cotinine derivatives | John A. Walling, Hsiang Yun Hu | 1992-11-17 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5164504 | Haptens, tracers, immunogens and antibodies for immunoassays for cotinine derivatives | John A. Walling, Hsiang Yun Hu | 1992-11-17 |