Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5013544 | Contraceptive methods and compositions | Max Elstein | 1991-05-07 |
| 4602042 | Contraceptive methods | Francis G. Hutchinson, Deborah A. Sharman | 1986-07-22 |
| 4590070 | Contraceptive methods | Francis G. Hutchinson, Deborah A. Sharman | 1986-05-20 |