Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7500637 | Airship with lifting gas cell system | Gordon S. Schmidt, Dennis L. Carter | 2009-03-10 |
| 7448572 | Direct mounted propulsion for non-rigid airships | Jonathan Peritt, James E. Houmard | 2008-11-11 |
| 7334757 | Airship retrieval system | Brian W. Steinkerchner, Dennis L. Carter, Gordon S. Schmidt, Anthony L. Dunne | 2008-02-26 |