Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6861842 | Method for determining the amount of charge which can still be drawn from an energy storage battery, and an energy storage battery | Frank Helkmer, Eberhard Meissner, Ingo Koch | 2005-03-01 |