Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11173020 | Oral irrigator appliance with radiant energy delivery for bactericidal effect | Clifford J. Snyder, Harold A. Luettgen, Kenneth A. Hair, Daniel Bernard Cover | 2021-11-16 |
| 10945912 | Oral irrigator with variable output fluid characteristics | Harold A. Luettgen | 2021-03-16 |
| 10258442 | Oral irrigator appliance with radiant energy delivery for bactericidal effect | Clifford J. Snyder, Harold A. Luettgen, Kenneth A. Hair, Daniel Bernard Cover | 2019-04-16 |
| 9642677 | Oral irrigator with massage mode | Harold A. Luettgen | 2017-05-09 |