Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6833207 | Unitized regenerative fuel cell with bifunctional fuel cell humidifier and water electrolyzer | Nathanial Ian Joos, David Frank | 2004-12-21 |
| 6726187 | Humidifier | Jianming Ye, Todd Simpson | 2004-04-27 |