Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4558675 | Electronic ignition system for gasoline internal combustion engines | Heinz-Hermann Spies, Christoph Domland | 1985-12-17 |
| 4509482 | Electronically controlled ignition system | Alfred Krappel, Johannes Guggenmos | 1985-04-09 |
| 4479479 | Electronically controlled ignition system and use of this ignition system | Christoph D/o/ mland | 1984-10-30 |
| 4452220 | Electronically controlled ignition system | — | 1984-06-05 |
| 4429235 | Input stage for an ignition control circuit | — | 1984-01-31 |
| 4422033 | Temperature-stabilized voltage source | Rolf Bohme, Martin Siegle, Heinz Rinderle | 1983-12-20 |
| 4392474 | Electronic ignition system | — | 1983-07-12 |
| 4354161 | H.F. Broadband amplifier | Gunter Hasch | 1982-10-12 |
| 4326106 | Telephone amplifier circuit | Rainer Rodenheber, Erhard Reitz | 1982-04-20 |
| 4316101 | Circuit for switching and transmitting alternating voltages | — | 1982-02-16 |
| 4300058 | Electronic switch for converting a pulse signal into an analog signal | — | 1981-11-10 |
| 4220970 | Circuit arrangement for identifying television signals | Ibolya Haraszti, Peter Lackner | 1980-09-02 |
| 4195314 | Tuning circuit for high frequency receiving apparatus with residual sideband modulation, especially for television receivers | Paul Sieber, Ibolya Haraszti | 1980-03-25 |