Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881896 | Muscular expansion bumper and head-gear appliance | — | 1989-11-21 |
| 4856992 | Preformed bands with lingual extensions | — | 1989-08-15 |
| 4830612 | Deciduous dentition treatment appliance and orthodontic method | — | 1989-05-16 |
| 4799884 | Expansion/buccal shield appliance | — | 1989-01-24 |
| 4797093 | Muscular expansion bumper and head-gear appliance | — | 1989-01-10 |