Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4962462 | Fuel cell/battery hybrid system | — | 1990-10-09 |
| 4931947 | Fuel cell/battery hybrid system having battery charge-level control | John Werth | 1990-06-05 |
| 4430390 | Compact fuel cell stack | — | 1984-02-07 |