Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6439837 | Nozzle braze backside cooling | John Peter Heyward, Robert Ingram Ackerman, Steven Curtiss Warfield, Kenneth Morand Lieland | 2002-08-27 |
| 6354797 | Brazeless fillet turbine nozzle | John Peter Heyward, Gregory White | 2002-03-12 |