Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6795374 | Bias control of electrostatic transducers | Stephen R. Barnes, Robert N. Phelps | 2004-09-21 |
| 6673016 | Ultrasound selectable frequency response system and method for multi-layer transducers | Todor Sheljaskow, Stephen R. Barnes, Peter Guo, Sevig Ayter, Timothy Proulx +1 more | 2004-01-06 |