Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851377 | Fuel cell, a fuel cell electrode, and a method for making a fuel cell electrode | — | 1989-07-25 |
| 4824739 | Method of operating an electrochemical cell stack | Michael J. Rajpolt, John C. Trocciola | 1989-04-25 |
| 4808493 | Fuel cell, a fuel cell electrode, and a method for making a fuel cell electrode | — | 1989-02-28 |