Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7862943 | Method and apparatus for starting a fuel cell engine in a vehicle equipped with an ultracapacitor | Matthew K. Hortop, David J. Keyes, Ellen Greifenstein, Kengo Ikeya | 2011-01-04 |