Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4801461 | Pseudoephedrine dosage form | Felix A. Landrau, George V. Guittard, Patrick S. L. Wong | 1989-01-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4801461 | Pseudoephedrine dosage form | Felix A. Landrau, George V. Guittard, Patrick S. L. Wong | 1989-01-31 |