Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE42468 | Storage battery charging station | Bernd Ziegler, Rainer Ontl | 2011-06-21 |
| 7498774 | Battery pack for hand-held electric machine tools | Bernd Ziegler, Stephan Krebs | 2009-03-03 |
| 7064520 | Electrical connection arrangement for hand-held tools with auxiliary devices | Matthias Paetow | 2006-06-20 |
| 7012406 | Method of periodic refresh charging of storage battery packs | Bernd Ziegler | 2006-03-14 |
| 6967464 | Storage battery charging station | Bernd Ziegler, Rainer Ontl | 2005-11-22 |