Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6645652 | Fuel cell electric power generation system | Ryan Cownden, Craig Louie, David S. Watkins | 2003-11-11 |
| 6316134 | Fuel cell electric power generation system | Ryan Cownden, Craig Louie, David S. Watkins | 2001-11-13 |