Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883244 | Satellite attitude determination and control system with agile beam sensing | U. A. von der Embse, Mark Patrick Mitchell, Donald C. D. Chang, Richard A. Fowell, Ken Yu Huang +2 more | 1989-11-28 |
| 4825646 | Spacecraft with modulated thrust electrostatic ion thruster and associated method | Robert L. Poeschel | 1989-05-02 |