Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6558437 | Method of making an ultracapacitor electrode | Chang Wei, Elihu Calvin Jerabek, Oliver H. LeBlanc, Jr. | 2003-05-06 |
| 6413283 | Sealed ultracapacitor | James Day | 2002-07-02 |
| 6304426 | Method of making an ultracapacitor electrode | Chang Wei, Elihu Calvin Jerabek, Oliver H. LeBlanc, Jr. | 2001-10-16 |
| 6212062 | Sealed ultracapacitor | James Day | 2001-04-03 |