Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5749727 | Transducer activated subgingival tool tip | Huy Dao, George H. Warrin, Rene J. Perdreaux, Edward W. Lee | 1998-05-12 |
| 5567153 | Transducer activated tool tip | George E. Warrin, Huy Dao, Rene J. Perdreaux | 1996-10-22 |
| 5531597 | Transducer activated tool tip | George E. Warrin, Huy Dao, Rene J. Perdreaux | 1996-07-02 |