Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6828050 | Fuel cell | Wade A. Huravitch, David R. Lott, Vanell L. Martin | 2004-12-07 |
| 6811906 | Method and apparatus for monitoring equivalent series resistance and for shunting a fuel cell | David R. Lott, Vanell L. Martin | 2004-11-02 |
| 6805987 | Method and apparatus for monitoring equivalent series resistance and for shunting a fuel cell | David R. Lott, Vanell L. Martin | 2004-10-19 |
| 6716549 | Fuel cell having metalized gas diffusion layer | Greg Lloyd | 2004-04-06 |