Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5121051 | Method and apparatus for measuring small electrical signals | Ulrich Schnell | 1992-06-09 |
| 4803420 | Method of determining the position of the tap on a resistance teletransmitter | Ulrich Schnell | 1989-02-07 |