Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6762589 | Circuit for charging rechargeable batteries having a combined charging and overvoltage protection circuit | Rolf Beerwerth, Christian Kranz | 2004-07-13 |
HK
Hans-Gerd Kirchhoff
Overall (2004): #214,066 of 270,089Top 80%
1
Patents 2004