Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6574951 | Solar thermal rocket | Richard Vail DeMars, Richard Lee Jetley | 2003-06-10 |
| 6412274 | Solar thermal rocket | Richard Vail DeMars, Richard Lee Jetley | 2002-07-02 |
| 6343464 | Solar thermal rocket | Kurt Ogg Westerman, Richard Vail DeMars | 2002-02-05 |
| 6290185 | Solar thermal rocket | Richard Vail DeMars, Barry John Miles, Kurt Ogg Westerman | 2001-09-18 |