Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851307 | Ionically conductive material | Michel Gauthier, Daniel Muller | 1989-07-25 |
| 4833048 | Metal-sulfur type cell having improved positive electrode | Lutgard C. DeJonghe, Steven J. Visco, Catherine C. Mailhe | 1989-05-23 |
| 4818644 | Ionically conductive material | — | 1989-04-04 |
| 4803249 | Derivatives of polycarbone sulfides | Mireille Fouletier, Pierre Degott | 1989-02-07 |