Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4649750 | Acoustic radiation stress measurement | William T. Yost | 1987-03-17 |
| 4391142 | Frequency tracked gated pulse technique for ultrasonic frequency | Joseph S. Heyman | 1983-07-05 |
| 4310906 | Liquid-immersible electrostatic ultrasonic transducer | Joseph S. Heyman, William T. Yost, Michael A. Torbett, Mack A. Breazeale | 1982-01-12 |