Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7628006 | Thrust termination device for solid rocket motor | Hwan-Gyu Lee, Shin-Hoe Kim, Hong-Been Chang | 2009-12-08 |
| 7578121 | Thrust termination device for solid rocket motor | Hong-Been Chang | 2009-08-25 |