Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5373481 | Sonic vibration telemetering system | Roy Squire | 1994-12-13 |
| 5354956 | Ultrasonic measurement apparatus | James C. Mayes | 1994-10-11 |
| 5317111 | Ultrasonic measurement apparatus | James C. Mayes | 1994-05-31 |