Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6797421 | Method and apparatus for preventing water in fuel cell power plants from freezing during storage | Richard J. Assarabowski, William T. Unkert, Leonard A. Bach, Albert P. Grasso | 2004-09-28 |