Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5695889 | Electric battery with protection against electrolyte leakage | Mathias Ruland, Holger Jansen | 1997-12-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5695889 | Electric battery with protection against electrolyte leakage | Mathias Ruland, Holger Jansen | 1997-12-09 |