Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8070096 | Systems and methods for recovering an airship | Wilfred L. Wood, Timothy W. Blunck | 2011-12-06 |
| 7874515 | Air vehicle propulsion system on gimbaled truss | Joseph Kinkopf, Alex Siler, Andrew Yuhas, Thomas H. Walsh | 2011-01-25 |
| 5449129 | Propulsion system for a lighter-than-air vehicle | Mark H. Wexler | 1995-09-12 |
| 5368256 | Propulsion system for a lighter-than-air vehicle | John B. Kalisz | 1994-11-29 |