Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8486551 | Fuel cell unit, fuel cell unit array, fuel cell module and fuel cell system | Kenneth Ejike Okoye, Emenike Chinedozi Ejiogu | 2013-07-16 |
| 4896504 | Exhaust gas control device for engines | — | 1990-01-30 |