Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6592850 | Sildenafil citrate chewing gum formulations and methods of using the same | Weisheng Li, Ronald L. Ream | 2003-07-15 |
| 6531114 | Sildenafil citrate chewing gum formulations and methods of using the same | Weisheng Li, Ronald L. Ream | 2003-03-11 |