Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5048183 | Method of making and repairing turbine blades | John N. Cang, John J. Hensley, Christian M. Waldhelm | 1991-09-17 |
| 4874290 | Turbine blade top clearance control system | John N. Cang, John J. Hensley, Christian M. Waldhelm | 1989-10-17 |