Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D925042 | Dental composite shade guide | Fusu Thao, Michael J. Vostal, Lois F. Duerst, Dylan R. Johnson | 2021-07-13 |
| D907241 | Container for a dental composite shade guide kit | Fusu Thao, Michael J. Vostal, Lois F. Duerst, Dylan R. Johnson | 2021-01-05 |
| D898223 | Holder for multiple dental composite shade guides | Fusu Thao, Michael J. Vostal, Lois F. Duerst, Dylan R. Johnson | 2020-10-06 |