Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5088918 | Vaporization burner for a heater operated with liquid fuel | Wolfgang Engelhardt | 1992-02-18 |
| 5020991 | Heating device operated by means of liquid fuel | Hermann Schoenberger, Johann Sperl | 1991-06-04 |