Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700485 | Prolonged nerve blockade by the combination of local anesthetic and glucocorticoid | Robert S. Langer | 1997-12-23 |
| 5618563 | Biodegradable polymer matrices for sustained delivery of local anesthetic agents | Robert S. Langer | 1997-04-08 |