Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4739285 | Oscillator having all-pass filter with resistance bridge for detecting physical parameters | Dierk Schröder | 1988-04-19 |
| 4719432 | Oscillator for measuring temperature | Dierk Schröder | 1988-01-12 |