Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5922150 | Method of heat treating a cobalt-base alloy | Norman Pietruska | 1999-07-13 |
| 5741378 | Method of rejuvenating cobalt-base superalloy articles | Norman Pietruska | 1998-04-21 |
| 5549767 | Heat treatment and repair of cobalt base superalloy articles | Norman Pietruska | 1996-08-27 |