Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7166378 | Technique to regulate an efficiency of a fuel cell system | Ryan Hallum, Eric Kueckels, Richard J. Graham, Mark Torpey, Arne Ballantine +1 more | 2007-01-23 |
| 7166379 | Technique to regulate an efficiency of a fuel cell system | Ryan Hallum, Eric Kueckels, Richard J. Graham, Mark Torpey, Arne Ballantine +1 more | 2007-01-23 |
| 6650968 | Technique to regulate an efficiency of a fuel cell system | Ryan Hallum, Eric Kueckels, Richard J. Graham, Mark Torpey, Arne Ballantine +1 more | 2003-11-18 |