Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7432007 | Molded fuel cell plates with seals | David Alsip, Joe B. Darke, Jack A. Kummerow | 2008-10-07 |
| 6599653 | Molded fuel cell plates with seals | David Alsip, Joe B. Darke, Jack A. Kummerow | 2003-07-29 |