Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5038745 | Ignition unit for internal combustion engines | Alfred Krappel, Johannes Guggenmos, Josef Holzmann, Georg Buchholz | 1991-08-13 |
| 4891558 | Adapter for gas discharge lamps and/or low voltage lamps | — | 1990-01-02 |
| 4736179 | Ignition coil for internal combustion engines | Horst Behnke | 1988-04-05 |