Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11207508 | Sinus balloon dilation catheters and sinus surgery tools | Thomas V. Ressemann, John R. Drontle, Anthony J. Hanson | 2021-12-28 |
| 10881843 | Methods and devices for treating sinusitis | Paul Lesch, Aaron Piddie, Anthony J. Hanson, John R. Drontle | 2021-01-05 |