Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6609680 | High altitude airships | William D. Perry, Thomas H. Jaeckle, Allan B. Black | 2003-08-26 |
| 6607163 | Autonomous stratospheric airship | William D. Perry, Thomas H. Jaeckle, Allan B. Black | 2003-08-19 |