Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4890268 | Two-dimensional phased array of ultrasonic transducers | Lowell Scott Smith, Matthew O'Donnell | 1989-12-26 |
| 4839652 | Method and apparatus for high speed digital phased array coherent imaging system | Matthew O'Donnell, Thomas L. Vogelsong, Steven G. Karr, Sharbel E. Noujaim | 1989-06-13 |