Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6319293 | Membrane electrode assembly | Mark K. Debe, Richard J. Poirier, Raymond J. Ziegler | 2001-11-20 |
| 5879828 | Membrane electrode assembly | Mark K. Debe, Richard J. Poirier, Raymond J. Ziegler | 1999-03-09 |