Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5137449 | Intraoral medication releasing system | Ronald J. Billings, Tibor Sipos, Bruce E. Kohut, Kathleen Woodward | 1992-08-11 |
| 5049077 | Intraoral medication releasing system | Ronald J. Billings, Tibor Sipos, Bruce E. Kohut, Kathleen Woodward | 1991-09-17 |