Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4821508 | Pulsed electrothermal thruster | Yeshayahu S. A. Goldstein, Derek A. Tidman, Niels K. Winsor | 1989-04-18 |
| 4821509 | Pulsed electrothermal thruster | Yeshayahu S. A. Goldstein, Derek A. Tidman, Niels K. Winsor | 1989-04-18 |