Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4456171 | Vehicle heater | — | 1984-06-26 |
| 4300720 | Motor vehicle | Werner Baier | 1981-11-17 |
| 4216759 | Auxiliary heater for vehicles | Dieter Zeus, Friedrich Widemann, Werner Hornfeck | 1980-08-12 |
| 4211365 | Motor vehicle auxiliary heater | Karl Dworschak, Werner Hornfeck | 1980-07-08 |