Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5759303 | Clean single crystal nickel base superalloy | John R. Mihalisin, John Corrigan, Robert J. Baker, Eric L. Leonard | 1998-06-02 |
| 5549765 | Clean single crystal nickel base superalloy | John R. Mihalisin, John Corrigan, Robert J. Baker, Eric L. Leonard | 1996-08-27 |