Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857420 | Method of making monolithic solid oxide fuel cell stack | Donald L. Maricle | 1989-08-15 |
| 4828940 | Fuel cell power plant with increased reactant pressures | Ronald Cohen | 1989-05-09 |