Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6485857 | Fuel cell hybrid flow field humidification zone | Timothy W. Patterson | 2002-11-26 |
| 6391485 | Method and apparatus for purging a fuel cell system with coolant | — | 2002-05-21 |