Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6790548 | Staged venting of fuel cell system during rapid shutdown | Donald H. Keskula, Bruce J. Clingerman | 2004-09-14 |
| 6692851 | Fuel cell stack monitoring and system control | Donald H. Keskula, Bruce J. Clingerman | 2004-02-17 |