Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4283467 | Electric storage battery with gas driven electrolyte movement | Karl-Friedrich Gutlich, Herbert Zweigardt, Rudolf Eckardt | 1981-08-11 |
| 4275129 | Galvanic high-temperature cell with solid negative electrode and molten electrolyte | Waldemar Borger | 1981-06-23 |