Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6997681 | Adjustable air seal on a fan hub | — | 2006-02-14 |
| 6022191 | Fan blade mounting | John D. Moore, Joseph D. Parker, John E. Dowell, Kenneth E. Jay, John P. Haynes | 2000-02-08 |
| 5564901 | Low noise fan | — | 1996-10-15 |