Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5970434 | Method for determining average wall thickness for pipes and tubes using guided waves | Hegeon Kwun | 1999-10-19 |
| 5892162 | Apparatus and method for inspection of pipes and tubes using guided wave probe | Robert L. Spinks, Jr., Ronald H. Peterson | 1999-04-06 |
| 4702112 | Ultrasonic phase reflectoscope | William E. Lawrie, Thomas Powers | 1987-10-27 |