Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5678583 | Removal of ceramic shell mold material from castings | Douglas W. Wilkinson | 1997-10-21 |
| 5618353 | Cleaning, method for cleaning internal airfoil cooling passages | Jeffrey D. Irvine, Jeffery S. Smith | 1997-04-08 |