Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4291015 | Polymeric diffusion matrix containing a vasodilator | Alec D. Keith | 1981-09-22 |
| 4289749 | Polymeric diffusion matrix containing phenylpropanolamine | Alec D. Keith | 1981-09-15 |