Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872810 | Turbine rotor retention system | Edward C. Hill, Peter T. Vercellone | 1989-10-10 |
| 4820122 | Dirt removal means for air cooled blades | Kenneth B. Hall, Thomas A. Auxier | 1989-04-11 |