Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6258188 | Solid fuel gas generator for ducted rocket engine | Richard C. Hatcher, William D. Stephens | 2001-07-10 |
| 5398612 | Nitrate ester stabilizing layer for propellant grain | William H. Graham, Robert E. Askins | 1995-03-21 |