Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6635370 | Shut-down procedure for hydrogen-air fuel cell system | Richard D. Breault | 2003-10-21 |
| 6596426 | Method and apparatus for the operation of a cell stack assembly during subfreezing temperatures | Deliang Yang, Emily A. Ballinger | 2003-07-22 |
| 6562503 | Freeze tolerant fuel cell power plant | Albert P. Grasso | 2003-05-13 |
| 6528194 | Freeze tolerant fuel cell power plant | Michael L. Perry, Richard D. Breault | 2003-03-04 |