Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4832955 | Controlled release potassium chloride composition | Wallace Snipes | 1989-05-23 |
| 4806337 | Erodible matrix for sustained release bioactive composition | Wallace Snipes | 1989-02-21 |