Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4643235 | Method for making oxygen electrode for alkaline galvanic cells | Peter Schmoede, Jean Ruch | 1987-02-17 |
| 4507367 | Galvanic element, particularly a metal-air cell | Jean Ruch, Hugo Pack | 1985-03-26 |
| 4490443 | Battery having electrolyte supply reservoir and activation tank disposed in a battery housing | Jean Ruch | 1984-12-25 |
| 4463064 | Galvanic element, especially metal-air-cell | Jean Ruch, Hugo Pack, Heinz Tillmann | 1984-07-31 |