Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5388765 | Gas turbine nozzle construction | James D. Hill, Anthony M. Zimmerman | 1995-02-14 |
| H500 | Exhaust nozzle flap assembly | William M. Madden | 1988-08-02 |
| 4756053 | Nozzle flap hinge joint | William M. Madden, Charles E. Spaeth | 1988-07-12 |
| 4739931 | Flap support arrangement | — | 1988-04-26 |
| 4523864 | Tandem bearing construction | Jerry D. Walter | 1985-06-18 |