Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4781997 | Storage battery that is protected against the discharge of acid | Christian Bohle, Eberhard Nann | 1988-11-01 |
| 4778479 | Method of manufacturing accumulators having accumulator plate sets and an accumulator manufactured in accordance with this method | Eberhard Nann, Udo D. Muhlhan, Walter Wipperfurth | 1988-10-18 |