Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7049017 | Method and apparatus for monitoring equivalent series resistance and for shunting a fuel cell | Lijun Bai, David R. Lott | 2006-05-23 |
| 6982129 | Method and apparatus for monitoring equivalent series resistance and for shunting a fuel cell | Lijun Bai, David R. Lott | 2006-01-03 |
| 6828050 | Fuel cell | Lijun Bai, Wade A. Huravitch, David R. Lott | 2004-12-07 |
| 6811906 | Method and apparatus for monitoring equivalent series resistance and for shunting a fuel cell | Lijun Bai, David R. Lott | 2004-11-02 |
| 6805987 | Method and apparatus for monitoring equivalent series resistance and for shunting a fuel cell | Lijun Bai, David R. Lott | 2004-10-19 |
| 6620538 | Method and apparatus for monitoring equivalent series resistance and for shunting a fuel cell | Lijun Bai, David R. Lott | 2003-09-16 |