Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9664715 | Method for measuring the frequency of an electrical signal and an electrical measuring system | Ernst Halder, Peter Dingler, Francesco Barbon, Alexander Kölpin, Stefan Lindner +1 more | 2017-05-30 |