Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5753884 | Aesthetic orthodontic band and attachment assembly | Thorsten G. Hilgenfeldt, Allen B. Amundson, Nicholine M. Sandoval, Fantu W. Leka, Robert C. Manemann | 1998-05-19 |
| 5529491 | Aesthetic orthodontic band and welded attachment assembly | Thorsten G. Hilgenfeldt, Allen B. Amundson, Nicholine M. Sandoval, Fantu W. Leka, Robert C. Manemann | 1996-06-25 |