Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6756909 | Method for detecting blade breakage using rate and/or impedance information | Foster B. Stulen, Allan Friedman | 2004-06-29 |
| 6679899 | Method for detecting transverse vibrations in an ultrasonic hand piece | William T. Donofrio | 2004-01-20 |
| 6678621 | Output displacement control using phase margin in an ultrasonic surgical hand piece | Foster B. Stulen, Ashvani K. Madan, Kenneth S. Kramer | 2004-01-13 |