Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4438184 | Sealed passage for a negative terminal through a metal wall, and electric cell using said sealed passage | — | 1984-03-20 |
| 4297420 | Electrode for a lead accumulator | Alain Leroux | 1981-10-27 |