Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6432573 | Battery plug with collecting element for condensed gases | — | 2002-08-13 |
| 5803138 | Filling device for battery cells with a float-operated valve | Rainer Schmidt | 1998-09-08 |