Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4348655 | Control circuit for vehicle turn-signal flasher systems | Horst Goertler, Friedrich Hetzel, Hans Prohaska, Horst Rachner, Josef Swoboda | 1982-09-07 |
| 4325007 | Hazard warning circuit | Hans Prohaska | 1982-04-13 |