Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6581880 | Energy managed electric propulsion methods and systems for stationkeeping satellites | Thomas Randolph, Fischer Guenter | 2003-06-24 |
| 6543723 | Electric orbit raising with variable thrust | — | 2003-04-08 |