Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4361837 | Remote control circuit employing frequency/direct signal converters | Heinz Rinderle | 1982-11-30 |
| 4340864 | Frequency control system | Heinz Rinderle | 1982-07-20 |
| 4319227 | Three state signaling system | Heinz Rinderle, Martin Siegle | 1982-03-09 |