Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4864862 | Boresonic inspection system | Lawrence D. Nottingham, Thomas E. Michaels | 1989-09-12 |
| 4803638 | Ultrasonic signal processing system including a flaw gate | Lawrence D. Nottingham, Thomas E. Michaels | 1989-02-07 |