Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4856337 | Apparatus and method for providing a combined ultrasonic and eddy current inspection of a tube | William G. Clark, Jr., Warren R. Junker, Lee W. Burtner, Thomas E. Arzenti, Harold P. Johnson +2 more | 1989-08-15 |
| 4855677 | Multiple coil eddy current probe and method of flaw detection | William G. Clark, Jr. | 1989-08-08 |