Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4856337 | Apparatus and method for providing a combined ultrasonic and eddy current inspection of a tube | Michael J. Metala, William G. Clark, Jr., Warren R. Junker, Lee W. Burtner, Thomas E. Arzenti +2 more | 1989-08-15 |
| 4820359 | Process for thermally stress-relieving a tube | Wenche W. Cheng, Donald R. Stoner, Fredric W. Pement, Robert D. Burack, Joseph M. Gilkison | 1989-04-11 |
| 4795885 | Flexible radiant tube heater | John M. Driggers, Thomas J. Saska | 1989-01-03 |