Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8257077 | Orthodontic corrective appliance, especially for correcting malpositioned molars | Hartwig Ahnfeldt | 2012-09-04 |
| 8257078 | Orthodontic corrective appliance, especially for correcting malpositioned molars | Hartwig Ahnfeldt | 2012-09-04 |
| 6450806 | Orthodontic expansion screw | — | 2002-09-17 |