Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5308225 | Rotor case treatment | Steven G. Koff, John P. Nikkanen | 1994-05-03 |
| 5282718 | Case treatment for compressor blades | Steven G. Koff, John P. Nikkanen, Nick Nolcheff | 1994-02-01 |
| 4550564 | Engine surge prevention system | David J. Callahan, Howard Y. Stryker, James B. Kelly | 1985-11-05 |