Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4361545 | Solid pharmaceutical formulations for slow, zero order release via controlled surface erosion | David R. Powell | 1982-11-30 |
| 4321263 | Psyllium compositions | David R. Powell | 1982-03-23 |