Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10707637 | CW maser with electromagnetic resonant circuit | Stephan Appelt | 2020-07-07 |
| 10670670 | High-quality coil | Stephan Appelt, Bernd Alexander Liebisch | 2020-06-02 |
| 10551331 | Measuring apparatus for weak electromagnetic signals from a sample at low frequencies, in addition to a method | Stephan Appelt, Bernd Alexander Liebisch | 2020-02-04 |