Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6392415 | Method for determining the state of charge of lead-acid rechargeable batteries | Helmut Laig-Horstebrock, Eberhard Meissner, Detief Brunn, Dieter Ubermeier | 2002-05-21 |