Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857420 | Method of making monolithic solid oxide fuel cell stack | Richard F. Buswell | 1989-08-15 |
| 4849253 | Method of making an electrochemical cell electrode | Howard S. Carr | 1989-07-18 |