Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6997696 | Apparatus for cutting expanded graphite sheet material | David W. Brown | 2006-02-14 |
| 6783884 | Flow field plate assembly for an electrochemical fuel cell | Peter R. Gibb, Emerson R. Gallagher | 2004-08-31 |
| 6649102 | Method of cutting expanded graphite sheet material | David W. Brown | 2003-11-18 |
| 6607858 | Electrochemical fuel cell stack with improved reactant manifolding and sealing | Boguslaw Wozniczka, Mehrzad Tabatabaian | 2003-08-19 |
| 6232008 | Electrochemical fuel cell stack with improved reactant manifolding and sealing | Boguslaw Wozniczka, Mehrzad Tabatabaian | 2001-05-15 |