Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8028951 | Hydrogen powered aircraft | Paul B. MacCready, Jr., Bart Dean Hibbs, Robert F. Curtin | 2011-10-04 |
| 6931247 | Aircraft control method | Earl Clyde Cox | 2005-08-16 |
| 6550717 | Liquid hydrogen stratospheric aircraft | Paul B. MacCready, Jr., Bart Dean Hibbs, Robert F. Curtin, Paul Belik | 2003-04-22 |