Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6121582 | Heating elements with swirl vanes | Rainer Dollinger, Josef Hafner | 2000-09-19 |
| 6041767 | Baking oven devaporation | Rainer Dollinger, Josef Hafner | 2000-03-28 |
| 5970857 | Baking oven | Rainer Dollinger, Josef Hafner | 1999-10-26 |