Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6765027 | Ion-exchange materials with improved ion conductivity | Steven Holdcroft, Jianfu Ding, Carmen Chuy, Anne E Morrison | 2004-07-20 |
| 6723758 | Graft polymeric membranes and ion-exchange membranes formed therefrom | Alfred E. Steck, Biswajit Choudhury | 2004-04-20 |
| 6689501 | Composite ion exchange membrane for use in a fuel cell | David Summers | 2004-02-10 |