Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6420043 | Niobium powders and niobium electrolytic capacitors | James A. Fife, Roger W. Steele | 2002-07-16 |
| 6165623 | Niobium powders and niobium electrolytic capacitors | James A. Fife, Roger W. Steele | 2000-12-26 |