Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4856991 | Orthodontic finishing positioner and method of construction | Gerard P. Abbatte, Stephen P. Warunek | 1989-08-15 |
| 4798534 | Method of making a dental appliance | — | 1989-01-17 |