Issued Patents 1982
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4359977 | Heater plug for diesel engines | Franz Sperner, Wilhelm Zwergel | 1982-11-23 |
| 4358663 | Heater plug for diesel engines | Franz Sperner, Wilhelm Zwergel | 1982-11-09 |
| 4355082 | Ultra-thin wire for semiconductor connections | Albrecht Bischoff | 1982-10-19 |
| 4339644 | Low-power electric contact | Elke Biberbach, Albrecht Bischoff, Nils Harmsen | 1982-07-13 |