Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4507367 | Galvanic element, particularly a metal-air cell | Jean Ruch, Detlef Katryniok | 1985-03-26 |
| 4463064 | Galvanic element, especially metal-air-cell | Jean Ruch, Detlef Katryniok, Heinz Tillmann | 1984-07-31 |