Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8028951 | Hydrogen powered aircraft | Paul B. MacCready, Jr., Kyle D. Swanson, Robert F. Curtin | 2011-10-04 |
| 8011616 | Hydrogen powered aircraft | Paul B. MacCready, Jr., Robert F. Curtin | 2011-09-06 |
| 7927071 | Efficient traditionally appearing ceiling fan blades with aerodynamical upper surfaces | Danny S. Parker | 2011-04-19 |