Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6635375 | Planar solid oxide fuel cell with staged indirect-internal air and fuel preheating and reformation | Mark Williams | 2003-10-21 |
| 6623880 | Fuel cell-fuel cell hybrid system | Mark Williams | 2003-09-23 |