Issued Patents All Time
Showing 1–4 of 4 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 |
| 6386480 | Autonomous stratospheric airship | William D. Perry, Thomas H. Jaeckle, Allan B. Black | 2002-05-14 |
| 6354535 | Autonomous stratospheric airship | William D. Perry, Thomas H. Jaeckle, Allan B. Black | 2002-03-12 |