Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5858968 | Method of treating or preventing type 1 diabetes by oral administration of insulin | Howard L. Weiner, David A. Hafler, Zhengi Zhang | 1999-01-12 |
| 5763396 | Method of treating or preventing type 1 diabetes by oral administration of insulin | Howard L. Weiner, David A. Hafler, Zhengi Zhang | 1998-06-09 |