Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867127 | Arrangement for regulating the combustion air proportions | Gerhard Quirchmayr, Stefan Knippitsch | 1989-09-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867127 | Arrangement for regulating the combustion air proportions | Gerhard Quirchmayr, Stefan Knippitsch | 1989-09-19 |