Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5683243 | Custom orthodontic appliance forming apparatus | Mark A. Payne | 1997-11-04 |
| 5622494 | Plastic orthodontic appliance having a mechanical bonding base and method of making same | David L. Ludwig | 1997-04-22 |
| 5618175 | Plastic orthodontic bracket having rotation wings | James F. Reher, David L. Ludwig | 1997-04-08 |
| 5618176 | Orthodontic bracket and ligature and method of ligating archwire to bracket | Mark A. Payne | 1997-04-08 |