Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6207311 | Solid oxide fuel cell operable over wide temperature range | Roswell J. Ruka, Subhash C. Singhal | 2001-03-27 |
| 5993989 | Interfacial material for solid oxide fuel cell | Roswell J. Ruka, Subhash C. Singhal | 1999-11-30 |