Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6680645 | Active filter circuit with operational amplifier | Stefan Noe | 2004-01-20 |
NG
Norbert Greitschus
Overall (2004): #145,505 of 270,089Top 55%
1
Patents 2004