Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5340032 | Electromagnetically operated injection valve with a fuel filter that sets a spring force | Alwin Stegmaier | 1994-08-23 |
| 5217204 | Valve | Martin Maier, Ferdinand Reiter, Alwin Stegmaier | 1993-06-08 |