Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6584825 | Method and apparatus for determining the amount of hydrogen in a vessel | Steven D. Pratt, Sivakumar Muthuswamy, Ronald Kelley | 2003-07-01 |
| 6586124 | Method and apparatus for cold temperature operation of fuel cells utilizing hydrides having different heat capacities | Ronald Kelley, Steven D. Pratt, Sivakumar Muthuswamy | 2003-07-01 |