Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6722849 | Propeller for tubeaxial fan | Ronald J. Lievens, Tung K. Nguyen | 2004-04-20 |
| 6702548 | Tubeaxial fan assembly | Ronald J. Lievens, Tung K. Nguyen | 2004-03-09 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6722849 | Propeller for tubeaxial fan | Ronald J. Lievens, Tung K. Nguyen | 2004-04-20 |
| 6702548 | Tubeaxial fan assembly | Ronald J. Lievens, Tung K. Nguyen | 2004-03-09 |