Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872612 | Rocket motor extendible nozzle exit cone | — | 1989-10-10 |
| 4819426 | Rocket propelled vehicle forward end control method and apparatus | Barry E. Kerrigan | 1989-04-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872612 | Rocket motor extendible nozzle exit cone | — | 1989-10-10 |
| 4819426 | Rocket propelled vehicle forward end control method and apparatus | Barry E. Kerrigan | 1989-04-11 |