Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11162707 | Flow restrictor element, especially for restricting air flow in an air duct system of a vehicle | — | 2021-11-02 |
| 11104206 | Vehicle heater | Walter Blaschke, Michael Haefner | 2021-08-31 |
| 11046149 | Combustion chamber assembly | Michael Haefner | 2021-06-29 |