Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6361758 | Cosolvent formulations | Edward Anthony Pec, Daniel H. Robinson, Dennis A. Stephens, Kathee Jantzi, Thomas May +1 more | 2002-03-26 |
| 6197344 | Butorphanol sustained release formulations | Hung-Chih Chang, Youqin Tian | 2001-03-06 |
| 6136799 | Cosolvent formulations | Edward Anthony Pec, Daniel H. Robinson, Dennis A. Stephens, Kathee Jantzi, Thomas May +1 more | 2000-10-24 |