Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4239837 | Electrochemical storage cell | Bernd Hartmann | 1980-12-16 |
| 4184013 | Electrochemical storage cell | Gert Weddigen, Wilfried Fischer, Wilhelm Haar | 1980-01-15 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4239837 | Electrochemical storage cell | Bernd Hartmann | 1980-12-16 |
| 4184013 | Electrochemical storage cell | Gert Weddigen, Wilfried Fischer, Wilhelm Haar | 1980-01-15 |