Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 7464650 | Ground handling system for an airship | Charles E. Housley, David W. Miller, Paul Schweigert | 2008-12-16 | $21,192,000 |
| 7334757 | Airship retrieval system | Thomas L. Marimon, Dennis L. Carter, Gordon S. Schmidt, Anthony L. Dunne | 2008-02-26 | $24,148,000 |