Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882166 | Compositions comprising encapsulated particles and their preparation | Abdul Rashid, Koritala P. Rao | 1989-11-21 |
| 4814182 | Controlled release device | Marion E. McNeill, David A. Wood | 1989-03-21 |