Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6124059 | Separator for sealed lead accumulators | Werner Bohnstedt, Jörg Deiters, Klaus Heinrich Ihmels | 2000-09-26 |
| 5773079 | Process for repairing battery separators | Werner Bohnstedt, Klaus Heinrich Ihmels, Karsten Fischer | 1998-06-30 |