Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4540926 | Circuit arrangement for an alternating control | Wilhelm Reischer | 1985-09-10 |
| 4494181 | Circuit arrangement for determining the polarity and magnitude of the load current in a reversible d-c controller or chopper | Franz Ramlohr, Werner Pohl | 1985-01-15 |