Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880628 | Sustained release composition | William Maxwell Allen, Jr., Alan D. Wilson, Havard J. Prosser, David M. Groffman | 1989-11-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880628 | Sustained release composition | William Maxwell Allen, Jr., Alan D. Wilson, Havard J. Prosser, David M. Groffman | 1989-11-14 |