Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6761988 | Fuel cell system with active methanol concentration control | William P. Acker, William W. Dailey | 2004-07-13 |
| 6699021 | Passively pumped liquid feed fuel cell system | William P. Acker | 2004-03-02 |
| 6645655 | Passively pumped liquid feed fuel cell system | William P. Acker | 2003-11-11 |