Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882465 | Arcjet thruster with improved arc attachment for enhancement of efficiency | William Smith | 1989-11-21 |
| 4805400 | Non-erosive arcjet starting control system and method | — | 1989-02-21 |
| 4800716 | Efficiency arcjet thruster with controlled arc startup and steady state attachment | William Smith | 1989-01-31 |