Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6436438 | Tramadol multiple unit formulations | Helmut Momberger, Dieter Kuhn, Wolfgang Schmid | 2002-08-20 |
| 6376550 | Pharmaceutical compositions containing tramadol for migraine | Helmut Momberger | 2002-04-23 |