Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11088373 | Seal for solid polymer electrolyte fuel cell | Ian Stewart, Emerson R. Gallagher | 2021-08-10 |
| 10964959 | Seal for a fuel cell, and fuel cell | Ian Stewart | 2021-03-30 |
| 10497947 | Seal for a fuel cell, and fuel cell | Ian Stewart | 2019-12-03 |