Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837699 | Method for controlling the spin axis attitude of a spinning spacecraft | William F. Hummel, Carl L. Chen, Loren I. Slafer | 1989-06-06 |
| 4824052 | Nutation sensor and nutation control system for a dual-spin stabilized satellite | John F. Yocum, Eugene Gonzalez | 1989-04-25 |