Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6290176 | Airship gondola suspension system and method of making same | John Hankinson, John Bewley, George Spyrou | 2001-09-18 |
| D424508 | Airship | John Hankinson, John Bewley, George Spyrou | 2000-05-09 |