Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6592934 | Gas diffusion electrode, solid polymer electrolyte membrane, process for the production thereof and solid polymer electrolyte fuel cell | — | 2003-07-15 |
| 6562446 | Multi-layer polymer electrolyte-membrane, electrochemical apparatus and process for the preparation of multi-layer polymer electrolyte membrane | — | 2003-05-13 |