Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5804562 | Spirostanyl glycosidal crystals | Douglas J. M. Allen, Richard Allen Buzon, Michael P. DeNinno, Harry A. Watson, Jr. | 1998-09-08 |
| 5760009 | Spirostanyl glycosidal crystalline monohydrate | Douglas J. M. Allen, Harry A. Watson, Jr. | 1998-06-02 |