Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |