Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4663252 | Electrochemical cell with negative active material based on an alkaline or alkaline earth metal | Didier Vallin | 1987-05-05 |
| 4547441 | Electrochemical cell with negative active material based on an alkali or alkaline earth metal | Didier Vallin, Jean-Yves Grassien, Alain Kerouanton | 1985-10-15 |