Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6662127 | Method for detecting presence of a blade in an ultrasonic system | Foster B. Stulen, Allan Friedman | 2003-12-09 |
| 6633234 | Method for detecting blade breakage using rate and/or impedance information | Foster B. Stulen, Allan Friedman | 2003-10-14 |
| 6626926 | Method for driving an ultrasonic system to improve acquisition of blade resonance frequency at startup | Allan Friedman, William T. Donofrio | 2003-09-30 |