Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7464650 | Ground handling system for an airship | Charles E. Housley, David W. Miller, Paul Schweigert | 2008-12-16 |
| 7334757 | Airship retrieval system | Thomas L. Marimon, Dennis L. Carter, Gordon S. Schmidt, Anthony L. Dunne | 2008-02-26 |